Results 21 to 30 of about 522 (131)

Adapting an Existing Empirical Algorithm for Microwave Land Surface Temperature Retrieval in China for AMSR2 Data

open access: yesRemote Sensing, 2023
To extend the time span of the microwave (MW) land surface temperature (LST) dataset in China, this study proposed an optimized empirical algorithm for Advanced Microwave Scanning Radiometer 2 (AMSR2) LST retrieval based on the algorithm for its ...
Quan Zhang   +3 more
doaj   +1 more source

Land Surface Phenologies and Seasonalities in the US Prairie Pothole Region Coupling AMSR Passive Microwave Data with the USDA Cropland Data Layer

open access: yesRemote Sensing, 2019
Land surface phenologies and seasonalities in the US Prairie Pothole Region (PPR) were characterized using land surface variables derived from the coarse spatial resolution (25 km) Advanced Microwave Scanning Radiometer (AMSR) blended data for 2003 to ...
Woubet G. Alemu   +2 more
doaj   +1 more source

An Attempt to Improve Snow Depth Retrieval Using Satellite Microwave Radiometry for Rough Antarctic Sea Ice

open access: yesRemote Sensing, 2019
Snow depth on sea ice is a major constituent of the marine cryosphere. It is a key parameter for the derivation of sea-ice thickness from satellite altimetry. One way to retrieve the basin-scale snow depth on sea ice is by satellite microwave radiometry.
Stefan Kern, Burcu Ozsoy
doaj   +1 more source

Validation of the New Algorithm for Rain Rate Retrieval from AMSR2 Data Using TMI Rain Rate Product

open access: yesAdvances in Meteorology, 2015
A new algorithm is derived for rain rate (RR) estimation from Advanced Microwave Sounding Radiometer 2 (AMSR2) measurements taken at 6.9, 7.3, and 10.65 GHz.
Elizaveta Zabolotskikh, Bertrand Chapron
doaj   +1 more source

Comparison and Downscale of AMSR2 Soil Moisture Products with In Situ Measurements from the SCAN–NRCS Network over Puerto Rico

open access: yesHydrology, 2017
A continuous spatio-temporal database of accurate soil moisture (SM) measurements is an important asset for agricultural activities, hydrologic studies, and environmental monitoring.
Jonathan Nuñez-Olivieri   +4 more
doaj   +1 more source

Parameterization of the freeze/thaw discriminant function algorithm using dense in-situ observation network data

open access: yesInternational Journal of Digital Earth, 2019
The near-surface soil freeze–thaw (FT) transition is an important factor affecting land-atmosphere exchanges, hydrology and carbon cycles. Thus, effectively monitoring the temporal–spatial changes of soil FT processes is crucial to climate change and ...
Pingkai Wang   +6 more
doaj   +1 more source

THIN ICE AREA EXTRACTION IN THE SEASONAL SEA ICE ZONES OF THE NORTHERN HEMISPHERE USING ASMR2 DATA [PDF]

open access: yesThe International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences, 2019
Sea ice has an important role of reflecting the solar radiation back into space. In addition, the heat flux of ice in thin ice areas is strongly affected by the ice thickness difference. Therefore, ice thickness is one of the most important parameters of
K. Cho, K. Miyao, K. Naoki
doaj   +1 more source

Wintertime Emissivities of the Arctic Sea Ice Types at the AMSR2 Frequencies

open access: yesRemote Sensing, 2022
The surface effective emissivities of Arctic sea ice are calculated using Advanced Microwave Scanning Radiometer 2 (AMSR2) measurements. These emissivities are analyzed for stable winter conditions during the months of January–May and November and ...
Elizaveta Zabolotskikh, Sergey Azarov
doaj   +1 more source

Retrieving Snow Depth Information From AMSR2 Data for Qinghai–Tibet Plateau

open access: yesIEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing, 2020
Passive microwave data have been extensively used for snow depth (SD) inversion, but their accuracy has large error in the Qinghai-Tibet Plateau (QTP). Thus, there is still room for improvement in regional SD inversion.
Jianshun Wang   +3 more
doaj   +1 more source

Validation of Four Satellite-Derived Soil Moisture Products Using Ground-Based In Situ Observations over Northern China

open access: yesRemote Sensing, 2022
Accurately obtaining the spatial distribution of soil moisture and its variability are the basis for the land-atmosphere interaction study. We investigated the fidelity of four satellite-based soil moisture products (AMSR2, CCI, SMAP, and SMOS) using in ...
Weicheng Liu   +4 more
doaj   +1 more source

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