Establishment of atmospheric weighted mean temperature model in the polar regions
Publication date: Available online 10 October 2019Source: Advances in Space ResearchAuthor(s): Shuaimin Wang, Tianhe Xu, Wenfeng Nie, Jian Wang, Guochang XuAbstractDue to the special geographical location and extreme climate environment, the polar regions (Antarctic and Arctic) have an important impact on global climate change. Atmospheric weighted mean temperature (Tm) is a crucial parameter in the retrieval of precipitable water vapor (PWV) from the zenith wet delay (ZWD) of ground-based Global Navigation Satellite System (GNSS) signal propagation. In this paper, the correlation between weighted mean temperature and surf...
Source: Advances in Space Research - October 12, 2019 Category: Science Source Type: research

Energy spectra of abundant cosmic-ray nuclei in the NUCLEON experiment
Publication date: Available online 10 October 2019Source: Advances in Space ResearchAuthor(s): V. Grebenyuk, D. Karmanov, I. Kovalev, I. Kudryashov, A. Kurganov, A. Panov, D. Podorozhny, A. Tkachenko, L. Tkachev, A. Turundaevskiy, O. Vasiliev, A. VoroninAbstractThe NUCLEON satellite experiment is designed to directly investigate the energy spectra of cosmic-ray nuclei and the chemical composition (Z=1−30) in the energy range of 2–500 TeV. The experimental results are presented, including the energy spectra of different abundant nuclei measured using the new Kinematic Lightweight Energy Meter (KLEM) technique. T...
Source: Advances in Space Research - October 12, 2019 Category: Science Source Type: research

Probing afternoon detached aurora and high-latitude trough based on DMSP observations
Publication date: Available online 10 October 2019Source: Advances in Space ResearchAuthor(s): Su Zhou, Kazuo Shiokawa, Igor Poddelsky, Yuqing Chen, Jin ZhangAbstractThe present work displays the observations of an afternoon detached aurora along with ionospheric high-latitude trough. The event was observed by DMSP F17 on 19 September 2014. The afternoon detached aurora was isolated from the auroral oval and was located between 12:00–18:00 magnetic local time (MLT) and 65°–70° geomagnetic latitude (MLAT). Particle observations indicate that the afternoon detached aurora was produced by energetic ring cu...
Source: Advances in Space Research - October 12, 2019 Category: Science Source Type: research

Gravity Wave Mixing Effects on the OH*-layer
Publication date: Available online 11 October 2019Source: Advances in Space ResearchAuthor(s): E. Becker, M. Grygalashvyly, G.R. SonnemannAbstractBased on an advanced numerical model for excited hydroxyl (OH*) we simulate the effects of gravity waves (GWs) on the OH*-layer in the upper mesosphere. The OH* model takes into account 1) production by the reaction of atomic hydrogen (H) with ozone (O3), 2) deactivation by atomic oxygen (O), molecular oxygen (O2), and molecular nitrogen (N2), 3) spontaneous emission, and 4) loss due to chemical reaction with O. This OH* model is part of a chemistry-transport model (CTM) which is...
Source: Advances in Space Research - October 12, 2019 Category: Science Source Type: research

Mesoscale Eddy Variability and its Linkage to Deep Convection over the Bay of Bengal using Satellite Altimetric Observations
In this study, we apply an eddy tracking algorithm to 25 years (1993-2018) of satellite altimetric observations to identify, analyze, and track mesoscale eddies in the BoB from their generation to dissipation. We compare the characteristics and trajectories of these eddies during the southwest (SW) and northeast (NE) monsoon seasons and during the pre- and post-SW monsoon periods to better understand the seasonality of the local eddy field. We find high eddy generation in the eastern BoB associated with instability induced by coastal Kelvin waves and the westward propagating Rossby waves, but we found the most robust eddie...
Source: Advances in Space Research - October 12, 2019 Category: Science Source Type: research

Simulation of Cosmic Rays in the Earth’s Atmosphere and Interpretation of Observed Counts in an X-ray Detector at Balloon Altitude Near Tropical Region
Publication date: Available online 8 October 2019Source: Advances in Space ResearchAuthor(s): Ritabrata Sarkar, Abhijit Roy, Sandip K. ChakrabartiAbstractThe study of secondary particles produced by the cosmic-ray interaction in the Earth’s atmosphere is very crucial as these particles mainly constitute the background counts produced in the high-energy detectors at balloon and satellite altitudes. In the present work, we calculate the abundance of cosmic-ray generated secondary particles at various heights of the atmosphere by means of a Monte Carlo simulation and use this result to understand the background counts i...
Source: Advances in Space Research - October 11, 2019 Category: Science Source Type: research

GPS and BDS Combined PPP Model with Inter-system Differenced Observations
This study proposes a combined precise point positioning (PPP) model, called the inter-system differenced PPP model, in which it formed the satellite-differenced observation between different satellite systems. Compared with the traditional combined PPP model, the inter-system differenced PPP model has the following characteristics: (1) The satellite difference between various systems can eliminate the receiver clock bias parameter, it enhances the strength of the PPP model. (2) Inter-satellite differences can eliminate some common model errors and reduce the impact of observation errors. (3) The system time difference can...
Source: Advances in Space Research - October 11, 2019 Category: Science Source Type: research

Nonthermal effects on the cylindrical dusty ion shocks in nonthermal viscous space plasma
Publication date: Available online 8 October 2019Source: Advances in Space ResearchAuthor(s): Abdelwahed, E.K. El-Shewy, A.A. El-Rahman, N.F. AbdoAbstractThe propagating cylindrical shock dust ion wave (CDISW) in dusty four component plasma with three viscous component (ion and two polarity charged grains) has been introduced. The three dimensional (3D) Cylindrical Burgers (CB) equation is derived. The propagating cylindrical shock characteristics are established to becomes a very significantly improved by the supports of electron nonthermality, ion and negative (positive) kinematics viscosity coefficients. Furthermore, th...
Source: Advances in Space Research - October 11, 2019 Category: Science Source Type: research

PDE Model-Based Boundary Control of a Spacecraft with Double Flexible Appendages under Prescribed Performance
Publication date: Available online 8 October 2019Source: Advances in Space ResearchAuthor(s): Junteng Ma, Hao Wen, Dongping JinAbstractThis paper investigates a boundary control scheme of a spacecraft with double flexible appendages under prescribed performance. The flexible spacecraft system comprises a rigid central hub and two flexible appendages regarded as continuum models, so that the motion of the system can be portrayed by using partial differential equations (PDEs). In this paper, only one control torque and two control forces are applied to guarantee the desired attitude angle of the spacecraft and simultaneously...
Source: Advances in Space Research - October 11, 2019 Category: Science Source Type: research

Spread-F prediction model for the equatorial Chumphon station, Thailand
Publication date: Available online 8 October 2019Source: Advances in Space ResearchAuthor(s): P. Thammavongsy, P. Supnithi, W. Phakphisut, K. Hozumi, T. TsugawaAbstractThis work proposes a range spread-F (RSF) prediction model using the neural network (NN) over the equatorial Chumphon (CPN) region in Thailand. The RSF model is constructed by using five input spaces including the diurnal variation, seasonal variation, geographic latitude, solar flux index (F10.7), and magnetic index (Ap). The RSF NN model is trained with three years of RSF data during 2013 to 2015 from Chumphon (CPN) station (Latitude = 10.7°N, Longitud...
Source: Advances in Space Research - October 11, 2019 Category: Science Source Type: research

On a century of extragalactic novae and the rise of the rapid recurrent novae
Publication date: Available online 8 October 2019Source: Advances in Space ResearchAuthor(s): Matthew J. Darnley, Martin HenzeAbstractNovae are the observable outcome of a transient thermonuclear runaway on the surface of an accreting white dwarf in a close binary system. Their high peak luminosity renders them visible in galaxies out beyond the distance of the Virgo Cluster. Over the past century, surveys of extragalactic novae, particularly within the nearby Andromeda Galaxy, have yielded substantial insights regarding the properties of their populations and sub-populations. The recent decade has seen the first detailed ...
Source: Advances in Space Research - October 11, 2019 Category: Science Source Type: research

Juno/JIRAM: Planning and Commanding activities
Publication date: Available online 8 October 2019Source: Advances in Space ResearchAuthor(s): R. Noschese, A. Cicchetti, R. Sordini, M. Cartacci, A. Mura, S. Brooks, M. Lastri, G. Filacchione, A. Migliorini, M.L. Moriconi, A. Adriani, H.N. Becker, A. Bini, C. Pasqui, D. Grassi, F. Altieri, B.M. Dinelli, G. Piccioni, S. Stefani, F. TosiAbstractIn the context of space missions, where science is the most important goal, careful planning and detailed commanding are fundamental. The planning and commanding phases are activities whose complexity depends on the instrument characteristics, environmental constraints and scientific ...
Source: Advances in Space Research - October 11, 2019 Category: Science Source Type: research

On the uncertainty associated with validating the global mean sea level climate record
Publication date: Available online 9 October 2019Source: Advances in Space ResearchAuthor(s): Christopher S. Watson, Benoit Legresy, Matt A. KingAbstractSatellite altimetry provides the ongoing sea level climate data record that provides evidence for one of the most significant manifestations of climate change on Earth. External and independent validation of satellite altimetry is a core component of mission design, providing confidence in such a seminal climate record. The global tide gauge network, corrected for the effects of vertical land motion, forms one of a suite of approaches used to validate satellite altimetry. ...
Source: Advances in Space Research - October 11, 2019 Category: Science Source Type: research

Corsica: A 20-Yr Multi-Mission Absolute Altimeter Calibration Site
In this study, we present an assessment of the long-term stability of the in situ instruments in terms of sea level monitoring that include a careful monitoring of the geodetic datum. Based on this 20-yr series of sea level measurements, we present a review of the derived absolute Sea Surface Height (SSH) biases for the following altimetric missions based on the most recent reprocessing of their data set: TOPEX/Poseidon and Jason-1/2/3, Envisat and ERS-2, CryoSat-2, SARAL/AltiKa and Sentinel-3A&B. For the longest time series the standard error of the absolute SSH biases is now at a few millimeters level which is fundam...
Source: Advances in Space Research - October 11, 2019 Category: Science Source Type: research

Characteristics of equatorial nighttime spread F – An analysis on season-longitude, solar activity and triggering causes
In this study we present seasonal-longitudinal as well as monthly variability of ESF occurrence for solar minimum and yearly variations of ESF occurrence for solar maximum and minimum periods. One of the long standing open questions in the study of ESF is what exactly initiates the Rayleigh-Taylor (RT) plasma instability growth. This question is the focus of the present work. Zonal background eastward electric field and E × B upward plasma drift speed patterns are found to be critically important in understanding plasma irregularity formation. In addition to particular patterns observed on these parameters, the b...
Source: Advances in Space Research - October 8, 2019 Category: Science Source Type: research

Automatic extraction of lineaments based on wavelet edge detection and aided tracking by hillshade
Publication date: Available online 4 October 2019Source: Advances in Space ResearchAuthor(s): Junlong Xu, Xingping Wen, Haonan Zhang, Dayou Luo, Jinbo Li, Lianglong Xu, Min YuAbstractLineaments refer to the linear or curvilinear textures on remote sensing image, whose general spatial distribution characteristics are often the response of deep crustal structures at the surface. Firstly, we use wavelet modulus maxima transformation to detect the edges with 4 scale on Landsat - 8 OLI B5 image and analyze their multi-scale characteristics. As the result, it is determined that the optimal scale of edge detection is 4, and the o...
Source: Advances in Space Research - October 8, 2019 Category: Science Source Type: research

Large constellations assessment and optimization in LEO space debris environment
Publication date: Available online 4 October 2019Source: Advances in Space ResearchAuthor(s): Lorenzo Olivieri, Alessandro FrancesconiAbstractRecent plans for large constellations in Low-Earth Orbit have opened the debate on both their vulnerability and their influence on the already hazardous space debris environment. In fact, given that large constellations normally employ satellites of small size, there might be situations in which cm-size debris could have enough energy to cause fragmentation of a significant part of these spacecraft upon impact, while smaller debris could affect the functionalities of critical subsyst...
Source: Advances in Space Research - October 8, 2019 Category: Science Source Type: research

Effects of CME and CIR induced geomagnetic storms on low-latitude ionization over Indian longitudes in terms of neutral dynamics
Publication date: Available online 4 October 2019Source: Advances in Space ResearchAuthor(s): S. Chakraborty, S.Ray, D. Sur, A. Datta, A. PaulAbstractThis paper presents the response of the ionosphere during the intense geomagnetic storms of October 12-20, 2016 and May 26-31, 2017 which occurred during the declining phase of the solar cycle 24. Total Electron Content (TEC) from GPS measured at Indore, Calcutta and Siliguri having geomagnetic dips varying from 32.23°N, 32°N and 39.49°N respectively and at the International GNSS Service (IGS) stations at Lucknow (beyond anomaly crest), Hyderabad (between geomagne...
Source: Advances in Space Research - October 8, 2019 Category: Science Source Type: research

A global empirical orthogonal function model of plasmaspheric electron content
Publication date: Available online 4 October 2019Source: Advances in Space ResearchAuthor(s): Peng Chen, Lixia Liu, Yibin Yao, Wanqiang YaoAbstractBased on the method for establishing a global plasmaspheric model using observations from COSMIC and MetOp-A orbit determination GNSS receivers, Chen et al. (2017) obtained a global plasmaspheric total electron content product with a spatial resolution of 2.5°×5° and a time resolution of 4h. In this paper, we use those global plasmaspheric electron content product in 2008, 2010, 2011, 2012, 2014 for 1446 days to establish a global plasmaspheric empirical model base...
Source: Advances in Space Research - October 8, 2019 Category: Science Source Type: research

Accuracy and consistency of different global ionospheric maps released by IGS ionosphere associate analysis centers
In this study, we evaluate and analyze in detail the accuracy and consistency of GIMs final products provided by six IAACs from three different aspects. Firstly, the comparison of these GIMs shows that the mean bias (MEAN) is related to the modeling methods of various IAACs. The variation trend of the standard deviation (STD) is consistent with the solar activities, and accompanied by certain seasonal and annual periodic variations. The MEAN between IGS and each center is about -1.3∼1.0 TECU, and the STD is about 1.4∼2.5 TECU. Secondly, the validation with GPS TEC shows that the STD of CODE is the smallest at vario...
Source: Advances in Space Research - October 8, 2019 Category: Science Source Type: research

Effects on the equatorial and low latitude thermosphere and ionosphere during the 19–22 December 2015 geomagnetic storm period
Publication date: Available online 21 September 2019Source: Advances in Space ResearchAuthor(s): G.A. Mansilla, M.M. ZossiAbstractIn this paper, the critical frequency of F2 layer (foF2) and their peak height (hmF2) recorded at equatorial and low latitude stations of the South American sector were analyzed during the 19–22 December 2015 geomagnetic storm period. We have observed initially decreases of foF2 at equatorial and low latitudes over the North crest of the equatorial ionization anomaly (EIA) and almost no effect over the South crest. These initial negative storm effects can be fully explained by the penetrat...
Source: Advances in Space Research - October 5, 2019 Category: Science Source Type: research

Crater matching algorithm based on feature descriptor
Publication date: Available online 3 October 2019Source: Advances in Space ResearchAuthor(s): Wei Shao, Jincheng Xie, Liang Cao, Junge Leng, Boning WangAbstractIn the field of visual navigation, crater is an ideal navigation landmark on planet surface, because of its universality and significance. During the descent phase of lander, crater needs to be extracted and matched. However, as the landing proceeds, images taken by the on-board camera will change, such as the variation of scale, translation, rotation, illumination which will increase the difficulty of the matching algorithm.This paper proposes a more accurate and f...
Source: Advances in Space Research - October 5, 2019 Category: Science Source Type: research

List of Referees
Publication date: 15 November 2019Source: Advances in Space Research, Volume 64, Issue 10Author(s): (Source: Advances in Space Research)
Source: Advances in Space Research - October 2, 2019 Category: Science Source Type: research

Author Index
Publication date: 15 November 2019Source: Advances in Space Research, Volume 64, Issue 10Author(s): (Source: Advances in Space Research)
Source: Advances in Space Research - October 2, 2019 Category: Science Source Type: research

Two successive partial mini-filament confined ejections
Publication date: Available online 26 September 2019Source: Advances in Space ResearchAuthor(s): M. Poisson, C. Bustos, M. López Fuentes, C.H. Mandrini, G.D. CristianiAbstractActive region (AR) NOAA 11476 produced a series of confined plasma ejections, mostly accompanied by flares of X-ray class M, from 08 to 10 May 2012. The structure and evolution of the confined ejections resemble that of EUV surges; however, their origin is associated to the destabilization and eruption of a mini-filament, which lay along the photospheric inversion line (PIL) of a large rotating bipole. Our analysis indicate that the bipole rota...
Source: Advances in Space Research - September 28, 2019 Category: Science Source Type: research

Automatic space object detection on all-sky images from a synoptic survey synthetic telescope array
Publication date: Available online 26 September 2019Source: Advances in Space ResearchAuthor(s): Felipe I. San Martín, Claudio A. Perez, Juan E. Tapia, Shahzad Virani, Marcus J. HolzingerAbstractDetection, classification, and characterization of Space Objects (SOs) are important tasks in many areas of research. Detection of SOs is important in predicting collisions with debris that could become hazards for satellites or space missions in Near Earth orbits. This paper describes a flexible pipeline able to detect sunlit SOs automatically in images acquired using an all-sky camera with a large field of view (FoV). The ...
Source: Advances in Space Research - September 28, 2019 Category: Science Source Type: research

Monitoring of maize lodging using multi-temporal Sentinel-1 SAR data
In this study, a method based on the change in plant height before and after lodging in maize is proposed to calculate the lodging angle and monitor the lodging degree by using dual-polarization Sentinel-1A data. The results show that the optimal sensitive polarization combinations of maize plant height before and after lodging are VH/VV and VV, respectively. The lodging angle is calculated using the plant height inversion results before and after lodging. The overall accuracy of classifying lodging grade of maize is 67%. The proposed model based on lodging angle could effectively mapped the maize lodging range on a region...
Source: Advances in Space Research - September 28, 2019 Category: Science Source Type: research

6-DOF formation keeping control for an invariant three-craft triangular electromagnetic formation
Publication date: Available online 26 September 2019Source: Advances in Space ResearchAuthor(s): Huan Huang, Wei-wei Cai, Le-ping YangAbstractSpacecraft relative motion with inter-craft electromagnetic force has distinct advantages, and its invariant shapes that are convenient for formation keeping ensure some potential significant applications. However, the electromagnetic actuators affect both the relative trajectory and attitude motion, complicating related researches on issues of invariant shape design and formation control. In this paper, the formation keeping problem for an invariant three-craft triangular electromag...
Source: Advances in Space Research - September 28, 2019 Category: Science Source Type: research

Ionospheric losses of Venus in the solar wind
Publication date: Available online 26 September 2019Source: Advances in Space ResearchAuthor(s): S. Salem, W.M. Moslem, M. Lazar, R. Sabry, R.E. Tolba, R. SchlickeiserAbstractThe nature of ionospheric losses from Venus is of essential importance for understanding the ionosphere dynamics of this unmagnetized planet. A plausible mechanism that can explain the escape of charged particles involves the solar wind interaction with the upper atmospheric layers of Venus. The hydrodynamic approach proposed for plasma expansion in the present study comprises two populations of positive ions and the neutralizing electrons, which inte...
Source: Advances in Space Research - September 28, 2019 Category: Science Source Type: research

Multi wavelength optical broad band photometric properties of a representative sample of geostationary satellites
We present the results of multi-wavelength optical observations, using B, V, R and I band filters, of a sample of 61 active geostationary communications satellites, on 2015 July 9-11. These observations were done outside the glinting season, with a longitudinal solar angle smaller than 6° and a latitudinal solar phase angle of ∼16.5°. This approach enabled us to detemine the distribution of quiescent magnitudes and colors of these targets during a period of the night when they are expected to be the brightest. We present the distribution of magnitudes and colors of the sample. We find that the colors of these s...
Source: Advances in Space Research - September 28, 2019 Category: Science Source Type: research

Systematic low-thrust trajectory design to Mars based on a full Ephemeris modeling
Publication date: Available online 19 August 2019Source: Advances in Space ResearchAuthor(s): Mohammadreza Saghamanesh, Ehsan Taheri, Hexi BaoyinAbstractOne of the fundamental tasks in space mission design is to choose a set of inter-disciplinary mission-critical parameters that are used for both sizing spacecraft sub-systems and designing optimal trajectories. Trajectory design and sub-system sizing are tightly coupled tasks and mission designers are interested in algorithms that not only improve fidelity of the underlying models, but also facilitate comprehensive trade-off studies using dependable algorithms. This paper ...
Source: Advances in Space Research - September 27, 2019 Category: Science Source Type: research

Orbit determination of CE-4′s relay satellite in Earth-Moon L2 libration point orbit
Publication date: Available online 19 August 2019Source: Advances in Space ResearchAuthor(s): Jianfeng Duan, Zhaokui WangAbstractThe Magpie Bridge mission is a part of the Chang’E-4 mission, it is the first Chinese spacecraft carries out Earth-Moon communication mission at Earth-Moon libration points. The Magpie Bridge operations team utilizes the Beijing Aerospace Control Center (BACC) Orbit Determination and Analysis Software (BODAS) to obtain the orbit, the measurements include range, Doppler and relay, relay-rate from China Deep Space Network (CDSN) and Very Long Baseline Interferometry (VLBI) system respectively...
Source: Advances in Space Research - September 27, 2019 Category: Science Source Type: research

foF2 variability at a southern low-latitude station and the performance of IRI-2016 model during ascending phase of solar cycle-24
Publication date: Available online 21 August 2019Source: Advances in Space ResearchAuthor(s): S.S. Rao, Monti Chakraborty, R. Pandey, A.K. SinghAbstractIn this research, we have analyzed the data of the critical frequency of the F2 region (foF2) ionosphere over the southern low-latitude station COCO (Keeling) Island (Geog. Lat. 12.20°S; Geomag. Lat. 22.83°S; Geog. Long. 96.80°E) for the period 2009–2013 and thereof have compared the results with those obtained with the IRI-2016 model. Our analysis shows a good correlation between variations in foF2 and solar flux at an F10.7 cm wavelength. With regard t...
Source: Advances in Space Research - September 27, 2019 Category: Science Source Type: research

Mapping paddy rice by the object-based random forest method using time series Sentinel-1/Sentinel-2 data
In this study, we proposed an object-based random forest (RF) method for paddy rice mapping using time series Sentinel-1 and Sentinel-2 data. Firstly, the Robust Adaptive Spatial Temporal Fusion Model (RASTFM) was used to blend MODIS and Sentinel-2 data for achieving multi-temporal Sentinel-2 data. Subsequently, the Savitzky-Golay filter (S-G) was applied to smooth the time series Sentinel-2 NDVI data. And the phenological parameters were derived from the filtered time series NDVI using the threshold method. Then, the optimum feature combination for paddy mapping was formed on the basis of Sentinel-2 MSI images, time serie...
Source: Advances in Space Research - September 27, 2019 Category: Science Source Type: research

Ionospheric storm of September 2017 observed at ionospheric station Pruhonice, the Czech Republic
Publication date: Available online 24 September 2019Source: Advances in Space ResearchAuthor(s): Zbysek Mosna, Daniel Kouba, Petra Koucka Knizova, Dalia Buresova, Jaroslav Chum, Tereza Sindelarova, Jaroslav Urbar, Josef Boska, Dana Saxonbergova–JankovicovaAbstractThe ionospheric effects induced by the September 2017 storm have been exceptional compared to other events in the solar cycle 24. This paper gathers results of the ionospheric observations at the European middle latitude station Pruhonice. It consists of evaluation of ionospheric vertical and oblique sounding, Digisonde drift measurement, and data obtained f...
Source: Advances in Space Research - September 27, 2019 Category: Science Source Type: research

Statistical study of the time delay of ionospheric TEC storms to geomagnetic storms in Taoyuan, Taiwan
Publication date: Available online 25 September 2019Source: Advances in Space ResearchAuthor(s): Yuqiang Zhang, Zhensen Wu, Jian Feng, Tong Xu, Zhongxin Deng, Weimin ZhenAbstractWe have studied the time delay of ionospheric storms to geomagnetic storms at a low latitude station Taoyuan (25.02°N, 121.21°E), Taiwan using the Dst and TEC data during 126 geomagnetic storms from the year 2002 to 2014. In addition to the known local time dependence of the time delay, the statistics show that the time delay has significant seasonal characteristics, which can be explained within the framework of the seasonal characteristic...
Source: Advances in Space Research - September 27, 2019 Category: Science Source Type: research

Characteristics of equatorial nighttime spread F - an analysis on season-longitude, solar activity and triggering causes
In this study we present seasonal-longitudinal as well as monthly variability of ESF occurrence for solar minimum and yearly variations of ESF occurrence for solar maximum and minimum periods. One of the long standing open questions in the study of ESF is what exactly initiates the Rayleigh-Taylor (RT) plasma instability growth. This question is the focus of the present work. Zonal background eastward electric field and E × B upward plasma drift speed patterns are found to be critically important in understanding plasma irregularity formation. In addition to particular patterns observed on these parameters, the backg...
Source: Advances in Space Research - September 27, 2019 Category: Science Source Type: research

Quality assessment of a satellite altimetry data product DT18 in the Norwegian Sea: a comparison to tide gauge records and drifters data
The objective of this paper is to assess the quality of the gridded altimetric sea level product DT18 as well as altimetry data from the Sea Level Climate Change Initiative in the Norwegian Sea. We compare the satellite altimetry data with two types of instrumental data. We use tide gauge records to assess the quality in the coastal zone and data from surface drifting buoys to assess the quality in the open ocean. Thus, we aim to complement previous studies by providing the objective assessment of the quality and performance of satellite altimetry in this important region. We demonstrate that the product DT18 reproduces th...
Source: Advances in Space Research - September 27, 2019 Category: Science Source Type: research

Novel finite-time attitude control of postcapture spacecraft with input faults and quantization
Publication date: Available online 25 September 2019Source: Advances in Space ResearchAuthor(s): Xiaofeng Zhang, Tao Xu, Caisheng WeiAbstractThis paper investigates a novel finite-time attitude control method for the postcapture spacecraft with an unknown captured space target in the presence of input faults and quantization. First, a quasi fixed-time convergent performance function is developed to quantitatively charaterize the attitude tracking performance. Then, a backstepping prescribed performance attitude controller is devised via using integral barrier Lyapunov function. Compared with the existing works, the fractio...
Source: Advances in Space Research - September 27, 2019 Category: Science Source Type: research

GDP spatialization in Ningbo City based on NPP/VIIRS night-time light and auxiliary data using random forest regression
Publication date: Available online 25 September 2019Source: Advances in Space ResearchAuthor(s): Handong Liang, Zhongyang Guo, Jianping Wu, Zuoqi ChenAbstractAccurate spatial distribution information on gross domestic product (GDP) is of great importance for the analysis of economic development, industrial distribution and urbanization processes. Traditional administrative unit-based GDP statistics cannot depict the detailed spatial differences in GDP within each administrative unit. This paper presents a study of GDP spatialization in Ningbo City, China based on National Polar-orbiting Partnership (NPP)/Visible Infrared I...
Source: Advances in Space Research - September 27, 2019 Category: Science Source Type: research

List of Referees
Publication date: 1 November 2019Source: Advances in Space Research, Volume 64, Issue 9Author(s): (Source: Advances in Space Research)
Source: Advances in Space Research - September 27, 2019 Category: Science Source Type: research

Author Index
Publication date: 1 November 2019Source: Advances in Space Research, Volume 64, Issue 9Author(s): (Source: Advances in Space Research)
Source: Advances in Space Research - September 27, 2019 Category: Science Source Type: research

A Roadmap towards a Space-based Radio Telescope for Ultra-Low Frequency Radio Astronomy
Publication date: Available online 23 September 2019Source: Advances in Space ResearchAuthor(s): M.J. Bentum, M.K. Verma, R.T. Rajan, A.J. Boonstra, C.J.M. Verhoeven, E.K.A. Gill, A.J. van der Veen, H. Falcke, M. Klein Wolt, B. Monna, S. Engelen, J. Rotteveel, L.I. GurvitsAbstractThe past two decades have witnessed a renewed interest in low frequency radio astronomy, with a particular focus on frequencies above 30 MHz e.g., LOFAR (LOw Frequency ARray) in the Netherlands and its European extension ILT, the International LOFAR Telescope. However, at frequencies below 30 MHz, Earth-based observations are limited due to a comb...
Source: Advances in Space Research - September 25, 2019 Category: Science Source Type: research

An Improved Image Encryption Algorithm for Satellite Applications
Publication date: Available online 22 September 2019Source: Advances in Space ResearchAuthor(s): Youcef Bentoutou, El-Habib Bensikaddour, Nasreddine Taleb, Nacer BounouaAbstractEncryption on-board Earth observation satellites aims to secure the amount of data transmitted to the ground station. During the last two decades, chaos-based encryption has reached an important achievement in securing data transfers. In this paper, an efficient image encryption method based on chaotic maps and the Advanced Encryption Standard (AES) is proposed for application on-board Earth observation satellites. The proposed method has many techn...
Source: Advances in Space Research - September 24, 2019 Category: Science Source Type: research

The Micro Solar Flare Apparatus (MiSolFA) instrument concept
Publication date: Available online 11 September 2019Source: Advances in Space ResearchAuthor(s): Erica Lastufka, Diego Casadei, Gordon Hurford, Matej Kuhar, Gabriele Torre, Säm KruckerAbstractThe Micro Solar-Flare Apparatus (MiSolFA) is a compact X-ray imaging spectrometer designed for a small 6U micro-satellite. As a relatively inexpensive yet capable Earth-orbiting instrument, MiSolFA is designed to image the high-energy regions of solar flares from a different perspective than that of Solar Orbiter’s STIX, operating from a highly elliptical heliocentric orbit. Two instruments working together in this way woul...
Source: Advances in Space Research - September 22, 2019 Category: Science Source Type: research

Estimating Canopy LAI and Chlorophyll of Tropical Forest Plantation (North India) using Sentinel-2 data
Publication date: Available online 20 September 2019Source: Advances in Space ResearchAuthor(s): Hitendra Padalia, Sanjiv K. Sinha, Vipul Bhave, Neeraj K. Trivedi, A. Senthil KumarAbstractWith the free and full access to images from Sentinel-2 satellite, the interest to use this data for quantitative retrieval of vegetation parameters is ever-increasing. LAI and chlorophyll are two key variables which are desired for studying productivity, nutrient and stress status of vegetation. Studies carried out on croplands using simulated Sentinel-2 MSI and parametric approach have identified vegetation indices (VIs) with high sensi...
Source: Advances in Space Research - September 22, 2019 Category: Science Source Type: research

Variability of NmF2 during solar minima at the Equatorial Ionization Anomaly crest region
Publication date: Available online 20 September 2019Source: Advances in Space ResearchAuthor(s): Madeeha Talha, Nabeel Ahmed, Muneeza M. Ali, Ghulam MurtazaAbstractThe variability of NmF2 during solar minima of solar cycle 21-22, 22-23 and 23-24 has been studied for two low latitude stations, Karachi (Pakistan) and Okinawa (Japan), as both stations are situated at the Equatorial Ionization Anomaly (EIA) crest region. Diurnal, seasonal and annual behaviour of variability has been investigated using relative standard deviation approach. At both the stations, a direct relation of variability (CV) with Smoothed Sunspot Numbers...
Source: Advances in Space Research - September 22, 2019 Category: Science Source Type: research

Is the phenology-based algorithm for mapping deciduous rubber plantations applicable in an emerging region of northern Laos?
Publication date: Available online 20 September 2019Source: Advances in Space ResearchAuthor(s): Chiwei Xiao, Peng Li, Zhiming Feng, Zhen You, Luguang Jiang, Khampheng BoudmyxayAbstractUpdated information of rubber plantations is essential for assessing socioeconomic and environmental impacts, especially in the emerging region of northern tropics. Here, a phenological method was modified to detect rubber plantations using Landsat Operational Land Imager (OLI) imagery in Phongsaly Province of northern Laos, where it begun a rubber boom in the mid-2000s due to geo-economic cooperation. It highlighted the landscape and pixel ...
Source: Advances in Space Research - September 22, 2019 Category: Science Source Type: research

Modeling M(3000)F2 based on Extreme Learning Machine
Publication date: Available online 20 September 2019Source: Advances in Space ResearchAuthor(s): Hongmei Bai, Feng Feng, Jian Wang, Taosuo WuAbstractThis paper presents an novel extreme learning machine (ELM)-based prediction model for the ionospheric propagation factor M(3000)F2 at Darwin station (12.4°S, 131.5°E; -44.5°dip) in Australia. The proposed ELM model is trained with hourly daily values of M(3000)F2 from the period 1998–2014 except 2001 and 2009. The hourly daily values of 2001 (high solar activity) and 2009 (low solar activity) are used for validating the prediction accuracy. The proposed ELM ...
Source: Advances in Space Research - September 22, 2019 Category: Science Source Type: research

Effects on the equatorial and low latitude thermosphere and ionosphere during the 19 – 22 December 2015 Geomagnetic storm period
Publication date: Available online 21 September 2019Source: Advances in Space ResearchAuthor(s): G.A. Mansilla, M.M. ZossiAbstractIn this paper, the critical frequency of F2 layer (foF2) and their peak height (hmF2) recorded at equatorial and low latitude stations of the South American sector were analyzed during the 19 – 22 December 2015 geomagnetic storm period. We have observed initially decreases of foF2 at equatorial and low latitudes over the North crest of the equatorial ionization anomaly (EIA) and almost no effect over the South crest. These initial negative storm effects can be fully explained by the penetr...
Source: Advances in Space Research - September 22, 2019 Category: Science Source Type: research