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      Multiyear in-situ L-band microwave radiometry of land surface processes on the Tibetan Plateau

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          Abstract

          We report a unique multiyear L-band microwave radiometry dataset collected at the Maqu site on the eastern Tibetan Plateau and demonstrate its utilities in advancing our understandings of microwave observations of land surface processes. The presented dataset contains measurements of L-band brightness temperature by an ELBARA-III microwave radiometer in horizontal and vertical polarization, profile soil moisture and soil temperature, turbulent heat fluxes, and meteorological data from the beginning of 2016 till August 2019, while the experiment is still continuing. Auxiliary vegetation and soil texture information collected in dedicated campaigns are also reported. This dataset can be used to validate the Soil Moisture and Ocean Salinity (SMOS) and Soil Moisture Active Passive (SMAP) satellite based observations and retrievals, verify radiative transfer model assumptions and validate land surface model and reanalysis outputs, retrieve soil properties, as well as to quantify land-atmosphere exchanges of energy, water and carbon and help to reduce discrepancies and uncertainties in current Earth System Models (ESM) parameterizations. Measurement cases in winter, pre-monsoon, monsoon and post-monsoon periods are presented.

          Abstract

          Measurement(s) microwave radiation • soil moisture • atmospheric wind • Solar Radiation • rain • soil • CO2/H2O flux • thermal radiation • temperature of soil
          Technology Type(s) Radiometry (Microwave) • Sensor Device • pyranometer • Gauge or Meter Device • particle size analyzer • pyrgeometer
          Sample Characteristic - Environment land
          Sample Characteristic - Location Tibetan Plateau

          Machine-accessible metadata file describing the reported data: 10.6084/m9.figshare.12818261

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          Most cited references26

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          The Soil Moisture Active Passive (SMAP) Mission

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            Electromagnetic determination of soil water content: Measurements in coaxial transmission lines

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              Validation of SMAP surface soil moisture products with core validation sites

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                Author and article information

                Contributors
                z.su@utwente.nl
                jwen@cuit.edu.cn
                Journal
                Sci Data
                Sci Data
                Scientific Data
                Nature Publishing Group UK (London )
                2052-4463
                30 September 2020
                30 September 2020
                2020
                : 7
                : 317
                Affiliations
                [1 ]GRID grid.6214.1, ISNI 0000 0004 0399 8953, Faculty of Geo-information Science and Earth Observation (ITC), , University of Twente, ; Enschede, The Netherlands
                [2 ]GRID grid.411307.0, ISNI 0000 0004 1790 5236, College of Atmospheric Sciences, Plateau Atmosphere and Environment Key Laboratory of Sichuan Province, , Chengdu University of Information Technology, ; Chengdu, China
                [3 ]GRID grid.9227.e, ISNI 0000000119573309, Institute of Tibetan Plateau Research, , Chinese Academy of Sciences, ; Beijing, China
                [4 ]GRID grid.9227.e, ISNI 0000000119573309, Key Laboratory of Land Surface Process and Climate Change in Cold and Arid Regions, Northwest Institute of Eco-Environment and Resources, , Chinese Academy of Sciences, ; Lanzhou, China
                [5 ]GRID grid.419754.a, ISNI 0000 0001 2259 5533, Swiss Federal Research Institute WSL, ; Birmensdorf, Switzerland
                [6 ]GRID grid.424908.3, ISNI 0000 0004 0613 3138, Gamma Remote Sensing AG, ; Gümligen, Switzerland
                [7 ]CESBIO (CNES/CNRS/UPS/IRD), Toulouse, France
                [8 ]GRID grid.211367.0, Jet Propulsion Laboratory, ; Pasadena, USA
                [9 ]GRID grid.440661.1, ISNI 0000 0000 9225 5078, Key Laboratory of Subsurface Hydrology and Ecological Effect in Arid Region of Ministry of Education, School of Water and Environment, , Chang’an University, ; Xi’an, 710054 China
                [10 ]GRID grid.424669.b, ISNI 0000 0004 1797 969X, European Space Agency, ESTEC, , Earth Observation Programmes, ; Noordwijk, The Netherlands
                [11 ]European Space Agency, ESA Climate Office, Harwell Campus, Oxfordshire, UK
                Author information
                http://orcid.org/0000-0001-6352-1717
                Article
                657
                10.1038/s41597-020-00657-1
                7527448
                32999274
                d67074df-09b9-409a-b455-f0d7b1977d0c
                © The Author(s) 2020

                Open Access This article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made. The images or other third party material in this article are included in the article’s Creative Commons license, unless indicated otherwise in a credit line to the material. If material is not included in the article’s Creative Commons license and your intended use is not permitted by statutory regulation or exceeds the permitted use, you will need to obtain permission directly from the copyright holder. To view a copy of this license, visit http://creativecommons.org/licenses/by/4.0/.

                The Creative Commons Public Domain Dedication waiver http://creativecommons.org/publicdomain/zero/1.0/ applies to the metadata files associated with this article.

                History
                : 2 April 2020
                : 21 August 2020
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                © The Author(s) 2020

                cryospheric science,hydrology
                cryospheric science, hydrology

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