Journal ArticleDOI
Sampling depth of L-band radiometer measurements of soil moisture and freeze-thaw dynamics on the Tibetan Plateau
Donghai Zheng,Xin Li,Xin Wang,Zuoliang Wang,Jun Wen,Rogier van der Velde,Mike Schwank,Zhongbo Su +7 more
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TLDR
In this paper, the authors investigated the sampling depth of the L-band microwave emission under frozen and thawed soil conditions on the Tibetan Plateau and found that the sample depth for the effective temperature depends on the magnitude of θliq, and is estimated to be, on average, about 50 and 15About:
This article is published in Remote Sensing of Environment.The article was published on 2019-06-01. It has received 55 citations till now. The article focuses on the topics: Water content & Radiometer.read more
Citations
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Validation of SMOS Soil Moisture Products over the Maqu and Twente Regions (SCI)
TL;DR: In this paper, Wang et al. compared the data collected in situ in the Maqu (China) and Twente (The Netherlands) regions in 2010 and found that the seasonal behavior of the SMOS soil moisture products is generally in agreement with the in situ measurements for both regions.
Development and Initial Assessment of the SMAP Passive Soil Moisture Product
Rajat Bindlish,Steven Chan,P. E. O'Neill,T. J. Jackson,E. G. Njoku,A. Colliander,M. H. Cosh,Fan Chen,W. T. Crow +8 more
TL;DR: Initial in situ comparisons conducted at a limited number of core validation sites (CVSs) and several hundred sparse network points indicate that the V-pol Single Channel Algorithm (SCA-V) currently delivers the best performance among algorithms considered for L2_SM_P, based on several metrics.
Journal ArticleDOI
Response of vegetation phenology to soil moisture dynamics in the Mongolian Plateau
TL;DR: In this paper, the authors evaluated the dynamics of soil moisture and drought characterized by the standardized soil moisture index (SSMI) from 1982 to 2019 based on SM product derived from the fifth generation of the European Center for Medium-Range Weather Forecasts Interim Re-Analysis (ERA5).
Journal ArticleDOI
Improving Soil Moisture Prediction of a High–Resolution Land Surface Model by Parameterising Pedotransfer Functions through Assimilation of SMAP Satellite Data
Ewan Pinnington,Javier Amezcua,Elizabeth Cooper,Simon Dadson,Rich Ellis,Jian Peng,Jian Peng,Emma L. Robinson,Ross Morrison,Simon R. Osborne,Tristan Quaife +10 more
TL;DR: In this article, a data assimilation approach was proposed to calibrate pedotransfer functions to improve land surface model soil moisture prediction by using observations from the Soil Moisture Active Passive (SMAP) satellite mission.
Journal ArticleDOI
A Physically Based Soil Moisture Index From Passive Microwave Brightness Temperatures for Soil Moisture Variation Monitoring
TL;DR: A new soil moisture (SM) index (SMI), which aims to capture the temporal variability of SM, irrespective of cloud cover and solar illumination, was developed by using the L-band SM active passive (SMAP) radiometer observations.
References
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Journal ArticleDOI
Regions of Strong Coupling Between Soil Moisture and Precipitation
Randal D. Koster,Paul A. Dirmeyer,Zhichang Guo,Gordon B. Bonan,Edmond Chan,Peter M. Cox,C. T. Gordon,Shinjiro Kanae,Eva Kowalczyk,David M. Lawrence,Ping Liu,Cheng-Hsuan Lu,Sergey Malyshev,Bryant J. McAvaney,Kenneth E. Mitchell,David Mocko,Taikan Oki,Keith W. Oleson,Andrew J. Pitman,Yogesh C. Sud,Christopher M. Taylor,Diana Verseghy,R. Vasic,Yongkang Xue,Tomohito J. Yamada +24 more
TL;DR: A multimodel estimation of the regions on Earth where precipitation is affected by soil moisture anomalies during Northern Hemisphere summer indicates potential benefits of this estimation may include improved seasonal rainfall forecasts.
Journal ArticleDOI
The Soil Moisture Active Passive (SMAP) Mission
Dara Entekhabi,Eni G. Njoku,Peggy O'Neill,Kent Kellogg,Wade T. Crow,W. Edelstein,Jared Entin,Shawn D Goodman,Thomas J. Jackson,Joel T. Johnson,John S. Kimball,Jeffrey R. Piepmeier,Randal D. Koster,Neil R.W. Martin,Kyle C. McDonald,Mahta Moghaddam,Susan Moran,Rolf H. Reichle,Jiancheng Shi,Michael W. Spencer,Samuel W Thurman,Leung Tsang,Jakob van Zyl +22 more
TL;DR: The Soil Moisture Active Passive mission is one of the first Earth observation satellites being developed by NASA in response to the National Research Council's Decadal Survey to make global measurements of the soil moisture present at the Earth's land surface.
Journal ArticleDOI
Soil moisture retrieval from space: the Soil Moisture and Ocean Salinity (SMOS) mission
TL;DR: The goal of this paper is to present the main aspects of the baseline mission and describe how soil moisture will be retrieved from SMOS data.
Journal ArticleDOI
The SMOS Soil Moisture Retrieval Algorithm
Yann Kerr,Philippe Waldteufel,P. Richaume,Jean-Pierre Wigneron,Paolo Ferrazzoli,A. Mahmoodi,Ahmad Al Bitar,Francois Cabot,C. Gruhier,S. Juglea,Delphine Leroux,Arnaud Mialon,Steven Delwart +12 more
TL;DR: A retrieval algorithm to deliver global soil moisture (SM) maps with a desired accuracy of 0.04 m3/m3 is given, discusses the caveats, and provides a glimpse of the Cal Val exercises.
Journal ArticleDOI
A model for microwave emission from vegetation-covered fields
TL;DR: In this article, a radiative transfer model was used to simulate the vegetation as a uniform canopy with a constant temperature, over a moist soil which emits polarized microwave radiation, over fields covered with grass, soybean and corn.
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