Results 21 to 30 of about 29,691,644 (110)

SDGSAT-1 TIS Prelaunch Radiometric Calibration and Performance

Remote Sensing, 2022
SDGSAT-1 was launched in November 2021, and TIS (Thermal infrared sensor) is a major instrument onboard this satellite. An analysis of the radiometric calibration and noise performance of the TIS has been carried out in the thermal vacuum chamber before ...
Zhuoyue Hu, Min Zhu, Qiyao Wang, Xiaofeng Su, Fansheng Chen   +4 more
doaj   +2 more sources

Towards submesoscale eddy detection in SDGSAT-1 data through deep learning

International Journal of Digital Earth
In coastal regions, the formation of submesoscale eddies is frequently influenced by factors including topography, tidal forces, and ocean currents. These eddies are often challenging to detect owing to the limited spatial resolution of altimeters and ...
Ruijiao Li, Linghui Xia, Jie Yang, Baoxiang Huang, Ge Chen   +4 more
doaj   +2 more sources

SDGSAT-1 Cloud Detection Algorithm Based on RDE-SegNeXt

Remote Sensing
This paper proposes an efficient cloud detection algorithm for Sustainable Development Scientific Satellite (SDGSAT-1) data. The core work includes the following: (1) constructing a SDGSAT-1 cloud detection dataset containing five types of elements ...
Xueyan Li, Changmiao Hu
doaj   +2 more sources

SDGSAT-1: Capabilities for Monitoring and Evaluating SDG Indicators

Kongjian kexue xuebao
SDGSAT-1, the world's first science satellite dedicated to assisting the United Nations 2030 Sustainable Development Agenda, has been operational for over two and a half years.
GUO Huadong, DOU Changyong, LIANG Dong, JIANG Nijun, TANG Yunwei, MA Wenyong   +5 more
doaj   +2 more sources

A TIR-Visible Automatic Registration and Geometric Correction Method for SDGSAT-1 Thermal Infrared Image Based on Modified RIFT

Remote Sensing, 2022
High-resolution thermal infrared (TIR) remote sensing images can more accurately retrieve land surface temperature and describe the spatial pattern of urban thermal environment.
Jinfen Chen, Bo Cheng, Xiaoping Zhang, Tengfei Long, Bo Chen, Guizhou Wang, Degang Zhang   +6 more
doaj   +2 more sources

Classification of Karst Rocky Desertification Levels in Jinsha County Using a Feature Space Method Based on SDGSAT-1 Multispectral Data

Remote Sensing
Karst rocky desertification (KRD) is a significant issue that affects the ecological and economic sustainability of southwest China. Obtaining the accurate distribution of different levels of KRD can provide decision-making support for the effective ...
Qi Chen, Han Fu, Xiaoming Li, Xiaochuan Qin, Lin Yan   +4 more
doaj   +2 more sources

Investigating the landslide susceptibility assessment methods for multi-scale slope units based on SDGSAT-1 and Graph Neural Networks

International Journal of Digital Earth
Accurate assessment of landslide susceptibility is vital for risk prevention, yet existing methods often overlook remote but interconnected geographical features, leading to unreliable maps.
Xiangqi Lei, Hanhu Liu, Zhe Chen, Shaoda Li, Hang Chen, Shuai Zeng, Xiao Wang, Wenqian Bai, Wei Li, Lorenzo Picco   +9 more
doaj   +2 more sources

Algorithm parameters for retrieving land surface temperature from the SDGSAT-1 thermal infrared spectrometer

International Journal of Applied Earth Observations and Geoinformation
Land surface temperature (LST) serves as a crucial indicator of the thermal state and environmental changes on the Earth’s surface, and it can be retrieved effectively from satellite thermal infrared sensors.
Qingcheng Pan, Zonghan Ma, Hantian Wu, Nana Yan, Weiwei Zhu, Yixuan Wang, Bingfang Wu   +6 more
doaj   +2 more sources

High-resolution urban heat island analysis using SDGSAT-1 thermal infrared and glimmer data: the case of mainland Shanghai

International Journal of Digital Earth
The Urban Heat Island (UHI) effect is critical for decreasing urban thermal pressure and promoting sustainable development. Nighttime light intensity (NTL), an indicator of human activity and urbanization, plays an important role in influencing UHIs ...
Qiyao Wang, Ji Bian, Zhuoyue Hu, Tao Hu, Fansheng Chen   +4 more
doaj   +2 more sources

Land surface temperature retrieval from SDGSAT-1: assessment of different retrieval algorithms with different atmospheric reanalysis data

International Journal of Digital Earth
Land surface temperature (LST) is an important parameter, with significant implications for climate change, urban heat island effects, and agricultural drought monitoring.
Meng Zhou, Huadong Guo, Xiaoying Ouyang, Dinoo Gunasekera, Zhongchang Sun   +4 more
doaj   +2 more sources