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Remote Sensing, Volume 13, Issue 16

2021 August-2 - 287 articles

Cover Story: Management of fertilizers is an important agricultural practice and field of research to minimize environmental impacts and cost of production. Applying fertilizer at the right rate, time, and place depends on the crop type, desired yield, and field conditions. In this paper, unmanned aerial vehicle multispectral imagery, vegetation indices, crop height, field topographic metrics, and soil properties were combined in machine learning models to predict canopy nitrogen (N). Compared to common modeling using only spectral variables, the inclusion of crop and environmental parameters improved N prediction allowing for more effective and efficient N fertilizer applications. The cover image was taken during ground data collection in the corn field, highlighting both the contrast and combination of nature and technology in agriculture today. View this paper.
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Articles (287)

  • Article
  • Open Access
29 Citations
7,765 Views
21 Pages

Identifying Individual Nutrient Deficiencies of Grapevine Leaves Using Hyperspectral Imaging

  • Sourabhi Debnath,
  • Manoranjan Paul,
  • D. M. Motiur Rahaman,
  • Tanmoy Debnath,
  • Lihong Zheng,
  • Tintu Baby,
  • Leigh M. Schmidtke and
  • Suzy Y. Rogiers

23 August 2021

The efficiency of a vineyard management system is directly related to the effective management of nutritional disorders, which significantly downgrades vine growth, crop yield and wine quality. To detect nutritional disorders, we successfully extract...

  • Article
  • Open Access
23 Citations
4,183 Views
16 Pages

High Wind Speed Inversion Model of CYGNSS Sea Surface Data Based on Machine Learning

  • Yun Zhang,
  • Jiwei Yin,
  • Shuhu Yang,
  • Wanting Meng,
  • Yanling Han and
  • Ziyu Yan

23 August 2021

In response to the deficiency of the detection capability of traditional remote sensing means (scatterometer, microwave radiometer, etc.) for high wind speed above 25 m/s, this paper proposes a GNSS-R technique combined with a machine learning method...

  • Article
  • Open Access
12 Citations
3,270 Views
19 Pages

Profiling of Dust and Urban Haze Mass Concentrations during the 2019 National Day Parade in Beijing by Polarization Raman Lidar

  • Zhuang Wang,
  • Cheng Liu,
  • Yunsheng Dong,
  • Qihou Hu,
  • Ting Liu,
  • Yizhi Zhu and
  • Chengzhi Xing

23 August 2021

The polarization–Raman Lidar combined sun photometer is a powerful method for separating dust and urban haze backscatter, extinction, and mass concentrations. The observation was performed in Beijing during the 2019 National Day parade, the particle...

  • Article
  • Open Access
14 Citations
6,066 Views
25 Pages

Comparative Evaluation of Algorithms for Leaf Area Index Estimation from Digital Hemispherical Photography through Virtual Forests

  • Jing Liu,
  • Longhui Li,
  • Markku Akerblom,
  • Tiejun Wang,
  • Andrew Skidmore,
  • Xi Zhu and
  • Marco Heurich

23 August 2021

The in situ leaf area index (LAI) measurement plays a vital role in calibrating and validating satellite LAI products. Digital hemispherical photography (DHP) is a widely used in situ forest LAI measurement method. There have been many software progr...

  • Article
  • Open Access
49 Citations
4,852 Views
17 Pages

23 August 2021

The 21 May 2021 Maduo earthquake was the largest event to occur on a secondary fault in the interior of the active Bayanhar block on the north-central Tibetan plateau in the last twenty years. A detailed kinematic study of the Maduo earthquake helps...

  • Article
  • Open Access
92 Citations
10,972 Views
16 Pages

23 August 2021

GNSS time-series prediction plays an important role in the monitoring of crustal plate movement, and dam or bridge deformation, and the maintenance of global or regional coordinate frames. Deep learning is a state-of-the-art approach for extracting h...

  • Article
  • Open Access
34 Citations
6,416 Views
12 Pages

Reconstruction of the Radar Reflectivity of Convective Storms Based on Deep Learning and Himawari-8 Observations

  • Mingshan Duan,
  • Jiangjiang Xia,
  • Zhongwei Yan,
  • Lei Han,
  • Lejian Zhang,
  • Hanmeng Xia and
  • Shuang Yu

23 August 2021

Radar reflectivity (RR) greater than 35 dBZ usually indicates the presence of severe convective weather, which affects a variety of human activities, including aviation. However, RR data are scarce, especially in regions with poor radar coverage or s...

  • Article
  • Open Access
168 Citations
8,673 Views
32 Pages

Understanding Spatio-Temporal Patterns of Land Use/Land Cover Change under Urbanization in Wuhan, China, 2000–2019

  • Han Zhai,
  • Chaoqun Lv,
  • Wanzeng Liu,
  • Chao Yang,
  • Dasheng Fan,
  • Zikun Wang and
  • Qingfeng Guan

23 August 2021

Exploring land use structure and dynamics is critical for urban planning and management. This study attempts to understand the Wuhan development mode since the beginning of the 21st century by profoundly investigating the spatio-temporal patterns of...

  • Article
  • Open Access
17 Citations
5,729 Views
29 Pages

Estimating Rainfall with Multi-Resource Data over East Asia Based on Machine Learning

  • Yushan Zhang,
  • Kun Wu,
  • Jinglin Zhang,
  • Feng Zhang,
  • Haixia Xiao,
  • Fuchang Wang,
  • Jianyin Zhou,
  • Yi Song and
  • Liang Peng

23 August 2021

The lack of accurate estimation of intense precipitation is a universal limitation in precipitation retrieval. Therefore, a new rainfall retrieval technique based on the Random Forest (RF) algorithm is presented using the Advanced Himawari Imager-8 (...

  • Article
  • Open Access
1 Citations
2,542 Views
20 Pages

23 August 2021

This paper proposes an imaging algorithm for synthetic aperture radar (SAR) mounted on a high-speed maneuvering platform with squint terrain observation by progressive scan mode. To overcome the mismatch between range model and the signal after range...

  • Article
  • Open Access
13 Citations
4,328 Views
20 Pages

23 August 2021

The Haiyuan fault zone is an important tectonic boundary and strong seismic activity belt in northeastern Tibet, but no major earthquake has occurred in the past ∼100 years, since the Haiyuan M8.5 event in 1920. The current state of strain accumulati...

  • Article
  • Open Access
10 Citations
3,457 Views
19 Pages

Diurnal Cycle Model of Lake Ice Surface Albedo: A Case Study of Wuliangsuhai Lake

  • Zhijun Li,
  • Qingkai Wang,
  • Mingguang Tang,
  • Peng Lu,
  • Guoyu Li,
  • Matti Leppäranta,
  • Jussi Huotari,
  • Lauri Arvola and
  • Lijuan Shi

23 August 2021

Ice surface albedo is an important factor in various optical remote sensing technologies used to determine the distribution of snow or melt water on the ice, and to judge the formation or melting of lake ice in winter, especially in cold and arid are...

  • Article
  • Open Access
5 Citations
4,370 Views
17 Pages

Quantification of Phycocyanin in Inland Waters through Remote Measurement of Ratios and Shifts in Reflection Spectral Peaks

  • Gibeom Nam,
  • Hyunjoo Shin,
  • Rim Ha,
  • Hyunoh Song,
  • Jaehyun Yoo,
  • Hyuk Lee,
  • Sanghyun Park,
  • Taegu Kang and
  • Kyunghyun Kim

23 August 2021

This study introduces a semi-empirical algorithm to estimate the extent of the phycocyanin (PC) concentration in eutrophic freshwater bodies; this is achieved by studying the reflectance characteristics of the red and near-red spectral regions, espec...

  • Article
  • Open Access
48 Citations
5,292 Views
15 Pages

Dual-Task Semantic Change Detection for Remote Sensing Images Using the Generative Change Field Module

  • Shao Xiang,
  • Mi Wang,
  • Xiaofan Jiang,
  • Guangqi Xie,
  • Zhiqi Zhang and
  • Peng Tang

23 August 2021

With the advent of very-high-resolution remote sensing images, semantic change detection (SCD) based on deep learning has become a research hotspot in recent years. SCD aims to observe the change in the Earth’s land surface and plays a vital role in...

  • Article
  • Open Access
91 Citations
11,830 Views
26 Pages

23 August 2021

Land-use/land cover change (LUCC) is an important problem in developing and under-developing countries with regard to global climatic changes and urban morphological distribution. Since the 1900s, urbanization has become an underlying cause of LUCC,...

  • Article
  • Open Access
5 Citations
4,227 Views
23 Pages

23 August 2021

Accurate detection of spatial patterns of urban growth is crucial to the analysis of urban growth processes. A common practice is to use post-classification change analysis, overlaying multiple independently derived land cover layers. This approach i...

  • Article
  • Open Access
32 Citations
5,362 Views
20 Pages

23 August 2021

With the development of sensors and of the Internet of Things (IoT), smart cities can provide people with a variety of information for a more convenient life. Effective on-street parking availability prediction can improve parking efficiency and, at...

  • Article
  • Open Access
56 Citations
13,818 Views
39 Pages

DV-LOAM: Direct Visual LiDAR Odometry and Mapping

  • Wei Wang,
  • Jun Liu,
  • Chenjie Wang,
  • Bin Luo and
  • Cheng Zhang

23 August 2021

Self-driving cars have experienced rapid development in the past few years, and Simultaneous Localization and Mapping (SLAM) is considered to be their basic capabilities. In this article, we propose a direct vision LiDAR fusion SLAM framework that co...

  • Article
  • Open Access
15 Citations
3,799 Views
24 Pages

22 August 2021

Modeling of synthetic aperture radar (SAR) imaging distortions induced by topography is addressed and a novel radiometric calibration method is proposed in this paper. An analytical formulation of the problem is primarily provided in purely geometric...

  • Article
  • Open Access
24 Citations
5,752 Views
20 Pages

22 August 2021

Automatic cloud detection in remote sensing images is of great significance. Deep-learning-based methods can achieve cloud detection with high accuracy; however, network training heavily relies on a large number of labels. Manually labelling pixel-wi...

  • Article
  • Open Access
2 Citations
3,868 Views
19 Pages

Fog Measurements with IR Whole Sky Imager and Doppler Lidar, Combined with In Situ Instruments

  • Ayala Ronen,
  • Tamir Tzadok,
  • Dorita Rostkier-Edelstein and
  • Eyal Agassi

22 August 2021

This study describes comprehensive measurements performed for four consecutive nights during a regional-scale radiation fog event in Israel’s central and southern areas in January 2021. Our data included both in situ measurements of droplets size dis...

  • Article
  • Open Access
12 Citations
3,521 Views
23 Pages

Field Observations of Breaking of Dominant Surface Waves

  • Pavel D. Pivaev,
  • Vladimir N. Kudryavtsev,
  • Aleksandr E. Korinenko and
  • Vladimir V. Malinovsky

22 August 2021

The results of field observations of breaking of surface spectral peak waves, taken from an oceanographic research platform, are presented. Whitecaps generated by breaking surface waves were detected using video recordings of the sea surface, accompa...

  • Article
  • Open Access
11 Citations
4,055 Views
27 Pages

22 August 2021

Defining the origin of ground deformation, which can be a very challenging task, may be approached through several investigative techniques. Ground deformation can originate in response to both natural (e.g., tectonics) and anthropic (e.g., groundwat...

  • Article
  • Open Access
83 Citations
8,977 Views
18 Pages

Improving Potato Yield Prediction by Combining Cultivar Information and UAV Remote Sensing Data Using Machine Learning

  • Dan Li,
  • Yuxin Miao,
  • Sanjay K. Gupta,
  • Carl J. Rosen,
  • Fei Yuan,
  • Chongyang Wang,
  • Li Wang and
  • Yanbo Huang

22 August 2021

Accurate high-resolution yield maps are essential for identifying spatial yield variability patterns, determining key factors influencing yield variability, and providing site-specific management insights in precision agriculture. Cultivar difference...

  • Technical Note
  • Open Access
42 Citations
10,851 Views
15 Pages

BFAST Lite: A Lightweight Break Detection Method for Time Series Analysis

  • Dainius Masiliūnas,
  • Nandin-Erdene Tsendbazar,
  • Martin Herold and
  • Jan Verbesselt

21 August 2021

BFAST Lite is a newly proposed unsupervised time series change detection algorithm that is derived from the original BFAST (Breaks for Additive Season and Trend) algorithm, focusing on improvements to speed and flexibility. The goal of the BFAST Lite...

  • Article
  • Open Access
10 Citations
4,060 Views
15 Pages

Regional Evaluation of Minor Tidal Constituents for Improved Estimation of Ocean Tides

  • Michael G. Hart-Davis,
  • Denise Dettmering,
  • Roman Sulzbach,
  • Maik Thomas,
  • Christian Schwatke and
  • Florian Seitz

21 August 2021

Satellite altimetry observations have provided a significant contribution to the understanding of global sea surface processes, particularly allowing for advances in the accuracy of ocean tide estimations. Currently, almost three decades of satellite...

  • Article
  • Open Access
113 Citations
31,226 Views
12 Pages

First Estimation of Global Trends in Nocturnal Power Emissions Reveals Acceleration of Light Pollution

  • Alejandro Sánchez de Miguel,
  • Jonathan Bennie,
  • Emma Rosenfeld,
  • Simon Dzurjak and
  • Kevin J. Gaston

21 August 2021

The global spread of artificial light is eroding the natural night-time environment. The estimation of the pattern and rate of growth of light pollution on multi-decadal scales has nonetheless proven challenging. Here we show that the power of global...

  • Article
  • Open Access
12 Citations
3,835 Views
28 Pages

21 August 2021

In challenging environments such as forests, valleys and higher latitude areas, there are usually fewer than four visible satellites. For cases with only two visible satellites, we propose a dual-satellite alternate switching ranging integrated navig...

  • Article
  • Open Access
3 Citations
3,595 Views
19 Pages

21 August 2021

Shallow underwater topography has important practical applications in fisheries, navigation, and pipeline laying. Traditional multibeam bathymetry is limited by the high cost of largescale topographic surveys in large, shallow sand wave areas. Remote...

  • Article
  • Open Access
36 Citations
6,385 Views
22 Pages

21 August 2021

Cambiophagous insects, fires and windthrow cause significant forest disturbances, generating ecological changes and economical losses. The bark beetle (Ips typographus L.), inhabiting coniferous forests and eliminating weakened trees, plays a key rol...

  • Article
  • Open Access
19 Citations
6,008 Views
18 Pages

InSAR Coherence Analysis for Wetlands in Alberta, Canada Using Time-Series Sentinel-1 Data

  • Meisam Amani,
  • Valentin Poncos,
  • Brian Brisco,
  • Fatemeh Foroughnia,
  • Evan R. DeLancey and
  • Sadegh Ranjbar

21 August 2021

Wetlands are valuable natural resources which provide numerous services to the environment. Many studies have demonstrated the potential of various types of remote sensing datasets and techniques for wetland mapping and change analysis. However, ther...

  • Article
  • Open Access
27 Citations
8,863 Views
21 Pages

21 August 2021

Hyperspectral classification is an important technique for remote sensing image analysis. For the current classification methods, limited training data affect the classification results. Recently, Conditional Variational Autoencoder Generative Advers...

  • Technical Note
  • Open Access
3 Citations
2,737 Views
13 Pages

Detecting Moving Target on Ground Based on Its Shadow by Using VideoSAR

  • Zhihua He,
  • Zihan Li,
  • Xing Chen,
  • Anxi Yu,
  • Tianzhu Yi and
  • Zhen Dong

20 August 2021

Video synthetic aperture radar (VideoSAR) can detect and identify a moving target based on its shadow. A slowly moving target has a shadow with distinct features, but it cannot be detected by state-of-the-art difference-based algorithms because of mi...

  • Article
  • Open Access
102 Citations
8,028 Views
21 Pages

Comparison of Multi-Year Reanalysis, Models, and Satellite Remote Sensing Products for Agricultural Drought Monitoring over South Asian Countries

  • Muhammad Shahzaman,
  • Weijun Zhu,
  • Irfan Ullah,
  • Farhan Mustafa,
  • Muhammad Bilal,
  • Shazia Ishfaq,
  • Shazia Nisar,
  • Muhammad Arshad,
  • Rashid Iqbal and
  • Rana Waqar Aslam

20 August 2021

The substantial reliance of South Asia (SA) to rain-based agriculture makes the region susceptible to food scarcity due to droughts. Previously, most research on SA has emphasized the meteorological aspects with little consideration of agrarian droug...

  • Article
  • Open Access
10 Citations
4,814 Views
25 Pages

20 August 2021

The new constellation of synthetic aperture radar (SAR) satellite, Sentinel-1, provides images at a high spatial resolution (up to 10 m) typical of radar sensors, but also at high time resolutions (6–12 revisit days), representing a major advance for...

  • Article
  • Open Access
7 Citations
5,009 Views
21 Pages

The Battle of Lepanto Search and Survey Mission (1971–1972) by Throckmorton, Edgerton and Yalouris: Following Their Traces Half a Century Later Using Marine Geophysics

  • George Papatheodorou,
  • Maria Geraga,
  • Dimitris Christodoulou,
  • Elias Fakiris,
  • Margarita Iatrou,
  • Nikos Georgiou,
  • Xenophon Dimas and
  • George Ferentinos

20 August 2021

A series of marine remote sensing and ground-truth surveys were carried out at NW Gulf of Patras (W. Greece). The same area was surveyed in 1971 by Throckmorton, Edgerton and Yalouris, who are among the pioneers in the application of remote sensing t...

  • Article
  • Open Access
7 Citations
4,414 Views
19 Pages

20 August 2021

After a major earthquake in a dense urban area, the spatial distribution of heavily damaged buildings is indicative of the impact of the event on public safety. Timely assessment of the locations of severely damaged buildings and their damage morphol...

  • Article
  • Open Access
12 Citations
5,675 Views
22 Pages

20 August 2021

Vegetation phenology is an integrative indicator of environmental change, and remotely–sensed data provide a powerful way to monitor land surface vegetation responses to climatic fluctuations across various spatiotemporal scales. In this study, we sy...

  • Article
  • Open Access
2,723 Views
22 Pages

Parametric Decomposition of Pulsed Lidar Signals with Noise Corruption Using FRFT Spectrum Analysis

  • Fan Xu,
  • Jun Chen,
  • Ya Liu,
  • Qihui Wu,
  • Xiaofei Zhang and
  • Zhengyang Shu

20 August 2021

The parametric decomposition of full-waveform Lidar data is challenging when faced with heavy noise scenarios. In this paper, we report a fractional Fourier transform (FRFT)-based approach for accurate parametric decomposition of pulsed Lidar signals...

  • Technical Note
  • Open Access
10 Citations
3,889 Views
13 Pages

20 August 2021

Identification of optimal spectral bands often involves collecting in-field spectral signatures followed by thorough analysis. Such rigorous field sampling exercises are tedious, cumbersome, and often impractical on challenging terrain, which is a li...

  • Article
  • Open Access
7 Citations
3,620 Views
22 Pages

20 August 2021

Remote sensing imagery, such as that provided by the United States Geological Survey (USGS) Landsat satellites, has been widely used to study environmental protection, hazard analysis, and urban planning for decades. Clouds are a constant challenge f...

  • Article
  • Open Access
33 Citations
5,599 Views
20 Pages

On the Value of Sentinel-1 InSAR Coherence Time-Series for Vegetation Classification

  • Tina Nikaein,
  • Lorenzo Iannini,
  • Ramses A. Molijn and
  • Paco Lopez-Dekker

20 August 2021

Synthetic aperture radar (SAR) acquisitions are mainly deemed suitable for mapping dynamic land-cover and land-use scenarios due to their timeliness and reliability. This particularly applies to Sentinel-1 imagery. Nevertheless, the accurate mapping...

  • Article
  • Open Access
28 Citations
5,682 Views
19 Pages

Evaluating the Potential of GloFAS-ERA5 River Discharge Reanalysis Data for Calibrating the SWAT Model in the Grande San Miguel River Basin (El Salvador)

  • Javier Senent-Aparicio,
  • Pablo Blanco-Gómez,
  • Adrián López-Ballesteros,
  • Patricia Jimeno-Sáez and
  • Julio Pérez-Sánchez

20 August 2021

Hydrological modelling requires accurate climate data with high spatial-temporal resolution, which is often unavailable in certain parts of the world—such as Central America. Numerous studies have previously demonstrated that in hydrological modellin...

  • Article
  • Open Access
5 Citations
3,384 Views
24 Pages

20 August 2021

In recent years, research on increasing the spatial resolution and enhancing the quality of satellite images using the deep learning-based super-resolution (SR) method has been actively conducted. In a remote sensing field, conventional SR methods re...

  • Article
  • Open Access
13 Citations
3,446 Views
16 Pages

The Water Availability on the Chinese Loess Plateau since the Implementation of the Grain for Green Project as Indicated by the Evaporative Stress Index

  • Linjing Qiu,
  • Yuting Chen,
  • Yiping Wu,
  • Qingyue Xue,
  • Zhaoyang Shi,
  • Xiaohui Lei,
  • Weihong Liao,
  • Fubo Zhao and
  • Wenke Wang

20 August 2021

The vegetation coverage on the Loess Plateau (LP) of China has clearly increased since the implementation of the Grain for Green Project in 1999, but there is a debate about whether the improved greenness was achieved at the expense of the balance be...

  • Article
  • Open Access
11 Citations
4,425 Views
20 Pages

20 August 2021

Terrestrial water storage changes (TWSCs) retrieved from the Gravity Recovery and Climate Experiment (GRACE) satellite mission have been extensively evaluated in previous studies over large basin scales. However, monitoring the TWSC at small basin sc...

  • Article
  • Open Access
16 Citations
4,276 Views
28 Pages

Mapping Invasive Phragmites australis Using Unoccupied Aircraft System Imagery, Canopy Height Models, and Synthetic Aperture Radar

  • Connor J. Anderson,
  • Daniel Heins,
  • Keith C. Pelletier,
  • Julia L. Bohnen and
  • Joseph F. Knight

20 August 2021

Invasive plant species are an increasing worldwide threat both ecologically and financially. Knowing the location of these invasive plant infestations is the first step in their control. Surveying for invasive Phragmites australis is particularly cha...

  • Article
  • Open Access
8 Citations
2,802 Views
24 Pages

Compound Multiscale Weak Dense Network with Hybrid Attention for Hyperspectral Image Classification

  • Zixian Ge,
  • Guo Cao,
  • Hao Shi,
  • Youqiang Zhang,
  • Xuesong Li and
  • Peng Fu

20 August 2021

Recently, hyperspectral image (HSI) classification has become a popular research direction in remote sensing. The emergence of convolutional neural networks (CNNs) has greatly promoted the development of this field and demonstrated excellent classifi...

  • Article
  • Open Access
6 Citations
3,630 Views
21 Pages

20 August 2021

With the rapid development of aeronautic and deep space exploration technologies, a large number of high-resolution asteroid spectral data have been gathered, which can provide diagnostic information for identifying different categories of asteroids...

  • Article
  • Open Access
16 Citations
5,032 Views
26 Pages

Building Capacity for a User-Centred Integrated Early Warning System for Drought in Papua New Guinea

  • Jessica Bhardwaj,
  • Yuriy Kuleshov,
  • Zhi-Weng Chua,
  • Andrew B. Watkins,
  • Suelynn Choy and
  • Qian (Chayn) Sun

20 August 2021

Drought has significant impacts on the agricultural productivity and well-being of Pacific Island communities. In this study, a user-centred integrated early warning system (I-EWS) for drought was investigated for Papua New Guinea (PNG). The I-EWS co...

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Remote Sens. - ISSN 2072-4292