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16 Results Found

  • Article
  • Open Access
7 Citations
6,169 Views
19 Pages

Cloud Area Distributions of Shallow Cumuli: A New Method for Ground-Based Images

  • Jessica M. Kleiss,
  • Erin A. Riley,
  • Charles N. Long,
  • Laura D. Riihimaki,
  • Larry K. Berg,
  • Victor R. Morris and
  • Evgueni Kassianov

12 July 2018

We develop a new approach that resolves cloud area distributions of single-layer shallow cumuli from ground-based observations. Our simple and computationally inexpensive approach uses images obtained from a Total Sky Imager (TSI) and complementary i...

  • Article
  • Open Access
5 Citations
4,354 Views
11 Pages

A Study of the Characteristics of Vertical Cloud Base Height Distribution over Eastern China

  • Jiwei Xu,
  • Dong Liu,
  • Zhenzhu Wang,
  • Decheng Wu,
  • Siqi Yu and
  • Yingjian Wang

Cloud is an important factor that affects weather and climate, and the vertical distribution of cloud determines its role in the atmospheric radiation transfer process. In this paper, the characteristics of different cloud types and their vertical cl...

  • Article
  • Open Access
8 Citations
2,634 Views
20 Pages

Trans-Boundary Dust Transport of Dust Storms in Northern China: A Study Utilizing Ground-Based Lidar Network and CALIPSO Satellite

  • Zhisheng Zhang,
  • Zhiqiang Kuang,
  • Caixia Yu,
  • Decheng Wu,
  • Qibing Shi,
  • Shuai Zhang,
  • Zhenzhu Wang and
  • Dong Liu

29 March 2024

During 14–16 March 2021, a large-scale dust storm event occurred in the northern region of China, and it was considered the most intense event in the past decade. This study employs observation data for PM2.5 and PM10 from the air quality monit...

  • Article
  • Open Access
27 Citations
6,103 Views
19 Pages

20 January 2020

Thunderstorms in southeastern South America (SESA) stand out in satellite observations as being among the strongest on Earth in terms of satellite-based convective proxies, such as lightning flash rate per storm, the prevalence for extremely tall, wi...

  • Article
  • Open Access
11 Citations
4,470 Views
23 Pages

Retrieval of Vertical Foliage Profile and Leaf Area Index Using Transmitted Energy Information Derived from ICESat GLAS Data

  • Lei Cui,
  • Ziti Jiao,
  • Kaiguang Zhao,
  • Mei Sun,
  • Yadong Dong,
  • Siyang Yin,
  • Yang Li,
  • Yaxuan Chang,
  • Jing Guo and
  • Sijie Li
  • + 1 author

31 July 2020

The vertical foliage profile (VFP) and leaf area index (LAI) are critical descriptors in terrestrial ecosystem modeling. Although light detection and ranging (lidar) observations have been proven to have potential for deriving the VFP and LAI, existi...

  • Article
  • Open Access
18 Citations
9,649 Views
17 Pages

Estimating Sunshine Duration Using Hourly Total Cloud Amount Data from a Geostationary Meteorological Satellite

  • Weiwei Zhu,
  • Bingfang Wu,
  • Nana Yan,
  • Zonghan Ma,
  • Linjiang Wang,
  • Wenjun Liu,
  • Qiang Xing and
  • Jiaming Xu

26 December 2019

Sunshine duration is an important indicator of the amount of solar radiation received in a region and an important input parameter for the study of atmospheric energy balance, climate change, ecosystem evolution, and social sustainability. Currently,...

  • Article
  • Open Access
25 Citations
4,594 Views
22 Pages

5 October 2021

Microwave land surface emissivity (MLSE) is an important geophysical parameter to determine the microwave radiative transfer over land and has broad applications in satellite remote sensing of atmospheric parameters (e.g., precipitation, cloud proper...

  • Article
  • Open Access
17 Citations
6,136 Views
28 Pages

Development of Land Surface Albedo Algorithm for the GK-2A/AMI Instrument

  • Kyeong-Sang Lee,
  • Sung-Rae Chung,
  • Changsuk Lee,
  • Minji Seo,
  • Sungwon Choi,
  • Noh-Hun Seong,
  • Donghyun Jin,
  • Minseok Kang,
  • Jong-Min Yeom and
  • Kyung-Soo Han
  • + 2 authors

4 August 2020

The Korea Meteorological Administration successfully launched Korea’s next-generation meteorological satellite, Geo-KOMPSAT-2A (GK-2A), on 5 December 2018. It belongs to the new generation of GEO (Geostationary Elevation Orbit) satellite which...

  • Article
  • Open Access
16 Citations
4,271 Views
21 Pages

Characterization of Dry-Season Phenology in Tropical Forests by Reconstructing Cloud-Free Landsat Time Series

  • Xiaolin Zhu,
  • Eileen H. Helmer,
  • David Gwenzi,
  • Melissa Collin,
  • Sean Fleming,
  • Jiaqi Tian,
  • Humfredo Marcano-Vega,
  • Elvia J. Meléndez-Ackerman and
  • Jess K. Zimmerman

23 November 2021

Fine-resolution satellite imagery is needed for characterizing dry-season phenology in tropical forests since many tropical forests are very spatially heterogeneous due to their diverse species and environmental background. However, fine-resolution s...

  • Article
  • Open Access
9 Citations
5,611 Views
19 Pages

Aerosol Optical Properties over China from RAMS-CMAQ Model Compared with CALIOP Observations

  • Tong Wu,
  • Meng Fan,
  • Jinhua Tao,
  • Lin Su,
  • Ping Wang,
  • Dong Liu,
  • Mingyang Li,
  • Xiao Han and
  • Liangfu Chen

17 October 2017

The horizontal and vertical distributions of aerosol optical properties over China in 2013–2015 were investigated using RAMS (Regional Atmospheric Modeling System)-CMAQ (Models-3 Community Multiscale Air Quality) simulations and CALIOP (Cloud-Aerosol...

  • Review
  • Open Access
6 Citations
4,932 Views
38 Pages

Vegetation Changes in the Arctic: A Review of Earth Observation Applications

  • Martina Wenzl,
  • Celia A. Baumhoer,
  • Andreas J. Dietz and
  • Claudia Kuenzer

1 December 2024

The Arctic, characterised by severe climatic conditions and sparse vegetation, is experiencing rapid warming, with temperatures increasing by up to four times the global rate since 1979. Extensive impacts from these changes have far-reaching conseque...

  • Article
  • Open Access
11 Citations
4,894 Views
18 Pages

InSAR-Based Early Warning Monitoring Framework to Assess Aquifer Deterioration

  • Felipe Orellana,
  • Daniela Rivera,
  • Gonzalo Montalva and
  • José Luis Arumi

27 March 2023

Aquifer surveillance is key to understanding the dynamics of groundwater reservoirs. Attention should be focused on developing strategies to monitor and mitigate the adverse consequences of overexploitation. In this context, ground surface deformatio...

  • Article
  • Open Access
8 Citations
2,706 Views
21 Pages

Optimized Extraction Method of Fruit Planting Distribution Based on Spectral and Radar Data Fusion of Key Time Phase

  • Guobing Zhao,
  • Lei Wang,
  • Jianghua Zheng,
  • Nigela Tuerxun,
  • Wanqiang Han and
  • Liang Liu

23 August 2023

With China’s fruit tree industry becoming the largest in the world, accurately understanding the spatial distribution of fruit tree growing areas is crucial for promoting socio-economic development and rural revitalization. Remote sensing offer...

  • Article
  • Open Access
4 Citations
2,773 Views
28 Pages

Empirical Evaluation and Simulation of GNSS Solutions on UAS-SfM Accuracy for Shoreline Mapping

  • José A. Pilartes-Congo,
  • Chase Simpson,
  • Michael J. Starek,
  • Jacob Berryhill,
  • Christopher E. Parrish and
  • Richard K. Slocum

6 November 2024

Uncrewed aircraft systems (UASs) and structure-from-motion/multi-view stereo (SfM/MVS) photogrammetry are efficient methods for mapping terrain at local geographic scales. Traditionally, indirect georeferencing using ground control points (GCPs) is u...

  • Article
  • Open Access
34 Citations
8,489 Views
22 Pages

A Novel Strategy to Reconstruct NDVI Time-Series with High Temporal Resolution from MODIS Multi-Temporal Composite Products

  • Linglin Zeng,
  • Brian D. Wardlow,
  • Shun Hu,
  • Xiang Zhang,
  • Guoqing Zhou,
  • Guozhang Peng,
  • Daxiang Xiang,
  • Rui Wang,
  • Ran Meng and
  • Weixiong Wu

5 April 2021

Vegetation indices (VIs) data derived from satellite imageries play a vital role in land surface vegetation and dynamic monitoring. Due to the excessive noises (e.g., cloud cover, atmospheric contamination) in daily VI data, temporal compositing meth...

  • Article
  • Open Access
30 Citations
5,453 Views
22 Pages

Forest Growing Stock Volume Estimation in Subtropical Mountain Areas Using PALSAR-2 L-Band PolSAR Data

  • Haibo Zhang,
  • Jianjun Zhu,
  • Changcheng Wang,
  • Hui Lin,
  • Jiangping Long,
  • Lei Zhao,
  • Haiqiang Fu and
  • Zhiwei Liu

20 March 2019

Forest growing stock volume (GSV) extraction using synthetic aperture radar (SAR) images has been widely used in climate change research. However, the relationships between forest GSV and polarimetric SAR (PolSAR) data in the mountain region of centr...