Results 21 to 30 of about 512 (183)

Cross Validation of FY3D MWRI Passive Microwave LST With MODIS LST Under Clear-Sky Conditions

IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing
Passive microwave (PMW) land surface temperature (LST) is widely used in climatology, agriculture, and environmental science due to its large range, all-weather capabilities, and other unique advantages. FY3D microwave radiation imager (MWRI) offers some
Yuting Gong, Huifang Li, Xiuqing Hu, Huanfeng Shen   +3 more
doaj   +2 more sources

Retrieval of Soil Moisture from FengYun-3D Microwave Radiation Imager Operational and Recalibrated Data Using Random Forest Regression

Atmosphere, 2022
Three Microwave Radiation Imagers (MWRI) were carried onboard the FengYun-3B/C/D satellites and have collected more than 10 years of data since 2010. To create a robust climate quality of data, MWRI level one data were reprocessed with new calibration ...
Chuanwen Wei, Fuzhong Weng, Shengli Wu, Dongli Wu, Peng Zhang   +4 more
doaj   +2 more sources

Decadal Evaluation of Sea Surface Temperature Products from MWRI Onboard FY-3B/C/D Satellites

Journal of Marine Science and Engineering
Microwave Radiation Imagers (MWRIs) onboard the FY-3B, FY-3C, and FY-3D satellites are the primary sensors for sea surface temperature (SST) observation. Benefiting from the resolution of several key calibration issues in brightness temperature products,
Yili Zhao, Saiya Zha, Ping Liu, Miao Zhang, Song Song, Na Xu, Lin Chen   +6 more
doaj   +2 more sources

An improved Antarctic sea-ice snow depth product from FY-3 MWRI with enhanced seasonal adaptability

Big Earth Data
Accurate estimation of snow depth on Antarctic sea ice is critical for understanding ice mass balance, surface thermodynamics, and satellite-altimetry-based sea ice thickness retrievals.
Zhongnan Yan, Yueyun Wang, Xiaoping Pang, Bin He   +3 more
doaj   +2 more sources

Radio‐Frequency Interference Identification and Correction for Microwave Radiation Imager on FY‐3G Using a Deep Neural Network Model

Atmospheric Science Letters
This study addresses the challenge of radio‐frequency interference (RFI) in brightness temperature (BT) observations from China's FY‐3G satellite, a low‐inclination‐orbit platform equipped with a Microwave Radiation Imager (MWRI) designed for ...
Xiao Wenyan, Fang Xiang, Yang Jun
doaj   +2 more sources

Consistency Assessment and Cross-Calibration of Passive Microwave Brightness Temperature from FY-3G/MWRI-RM and GCOM-W1/AMSR2

Remote Sensing
Microwave-based remote sensing possesses the capability to penetrate through atmospheric obstructions such as cloud layers and fog, making it extensively utilized for estimating parameters including soil water content, atmospheric moisture levels, and ...
Shuang Wu, Zuomin Xu, Ruijing Sun, Jie Chen, Yuguang Li, Yuhan Jiang   +5 more
doaj   +2 more sources

Impact of FY-3D MWRI and MWHS-2 Radiance Data Assimilation in WRFDA System on Forecasts of Typhoon Muifa

Remote Sensing
This study investigates the impact of assimilating FY-3D Microwave Radiation Imager (MWRI) radiance data into the Weather Research and Forecasting (WRF) model, utilizing a 3D-Var data assimilation system, on the forecast accuracy of Typhoon Muifa (2022).
Feifei Shen, Jiahao Zhang, Si Cheng, Changchun Pei, Dongmei Xu, Xiaolin Yuan   +5 more
doaj   +2 more sources

Wearable-based phenotyping of activity patterns during pregnancy. [PDF]

Pregnancy (Hoboken)
Abstract Objective Wearable activity trackers provide scalable, objective measures of behavior, but their potential use for early detection of high‐risk conditions during pregnancy remains to be evaluated. Study design Using longitudinal Fitbit data from 336 participants in the Deep Phenotyping of Pregnancy Project (DP3), we evaluated both conventional
Barak O, Bauer AD, Vaisbuch E, Piekos SN, Sadovsky Y.   +4 more
europepmc   +2 more sources

Reconstruction of 3D precipitation measurements from FY-3G MWRI-RM imaging and sounding channels [PDF]

Atmospheric Measurement Techniques
The Fengyun-3G satellite (FY-3G), China's first precipitation measurement satellite, was launched on 17 April 2023. FY-3G carries the advanced Multi-Channel Microwave Radiance Imager-Rainfall Measurement (MWRI-RM) system, which, compared to the previous ...
Y. Yang, Y. Yang, W. Han, W. Han, H. Sun, H. Sun, J. Li, J. Yan, Z. Gao, Z. Gao   +9 more
doaj   +3 more sources

Estimation of IFOV Inter-Channel Deviation for Microwave Radiation Imager Onboard FY-3G Satellite

Remote Sensing
The Microwave Radiation Imager (MWRI) onboard the FengYun satellite plays a crucial role in global change monitoring and numerical weather prediction. Estimating and correcting geolocation errors are important to retrieving accurate geophysical variables.
Pengjuan Yao, Shengli Wu, Yang Guo, Jian Shang, Kesong Dong, Weiwei Xu, Jiachen Wang   +6 more
doaj   +2 more sources