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Development and validation of the SMAP enhanced passive soil moisture product

S. Chan, R. Bindlish, P. O'Neill, T. Jackson, J. Chaubell, J. Piepmeier, S. Dunbar, A. Colliander, F. Chen, D. Entekhabi, S. Yueh, M. Cosh (+26 others)
<span title="">2017</span> <i title="IEEE"> <a target="_blank" rel="noopener" href="https://fatcat.wiki/container/6i67v2zuujhfvocqaapmnsoifm" style="color: black;">2017 IEEE International Geoscience and Remote Sensing Symposium (IGARSS)</a> </i> &nbsp;
This paper describes the development and validation of an enhanced version of the current standard soil moisture product.  ...  Derived from the same time-ordered brightness temperature observations that feed the current standard passive soil moisture product, the enhanced passive soil moisture product leverages on the Backus-Gilbert  ...  CONCLUSION In this paper, the development and validation of the SMAP Enhanced Passive Soil Moisture Product were discussed.  ... 
<span class="external-identifiers"> <a target="_blank" rel="external noopener noreferrer" href="https://doi.org/10.1109/igarss.2017.8127512">doi:10.1109/igarss.2017.8127512</a> <a target="_blank" rel="external noopener" href="https://dblp.org/rec/conf/igarss/ChanBOJCPDCCEYC17.html">dblp:conf/igarss/ChanBOJCPDCCEYC17</a> <a target="_blank" rel="external noopener" href="https://fatcat.wiki/release/ix5ozgwhzbbnrmqndlgwv2wwju">fatcat:ix5ozgwhzbbnrmqndlgwv2wwju</a> </span>
<a target="_blank" rel="noopener" href="https://web.archive.org/web/20200310013624/https://ntrs.nasa.gov/archive/nasa/casi.ntrs.nasa.gov/20170007420.pdf" title="fulltext PDF download" data-goatcounter-click="serp-fulltext" data-goatcounter-title="serp-fulltext"> <button class="ui simple right pointing dropdown compact black labeled icon button serp-button"> <i class="icon ia-icon"></i> Web Archive [PDF] <div class="menu fulltext-thumbnail"> <img src="https://blobs.fatcat.wiki/thumbnail/pdf/fa/e5/fae5eb96fd07560754f5570a46b6f5fa82f60543.180px.jpg" alt="fulltext thumbnail" loading="lazy"> </div> </button> </a> <a target="_blank" rel="external noopener noreferrer" href="https://doi.org/10.1109/igarss.2017.8127512"> <button class="ui left aligned compact blue labeled icon button serp-button"> <i class="external alternate icon"></i> ieee.com </button> </a>

Smap Mission Status, New Products and Extended-Phase Goals

Dara Entekhabi, Simon H. Yueh, Peggy E. Oneill, Jared K. Entin, Tung-Han You
<span title="">2018</span> <i title="IEEE"> <a target="_blank" rel="noopener" href="https://fatcat.wiki/container/6i67v2zuujhfvocqaapmnsoifm" style="color: black;">IGARSS 2018 - 2018 IEEE International Geoscience and Remote Sensing Symposium</a> </i> &nbsp;
This paper highlights the recent enhancements to the SMAP suite of science products (from instrument level-1 to geophysical retrievals level-2 and level-3).  ...  These include eliciting the role of soil moisture control on the evaporation regime and vegetation gross primary productivity, observing soilvegetation continuum water relations, analysis of flood and  ...  SMAP-Sentinel 1A/B High-Resolution Soil Moisture Product The active-passive brightness temperature downscaling algorithm developed for the SMAP mission has been adapted to work with L-band (SMAP radiometer  ... 
<span class="external-identifiers"> <a target="_blank" rel="external noopener noreferrer" href="https://doi.org/10.1109/igarss.2018.8518011">doi:10.1109/igarss.2018.8518011</a> <a target="_blank" rel="external noopener" href="https://dblp.org/rec/conf/igarss/EntekhabiYOEY18.html">dblp:conf/igarss/EntekhabiYOEY18</a> <a target="_blank" rel="external noopener" href="https://fatcat.wiki/release/rvct272byfa4tmn7edo2oa3ity">fatcat:rvct272byfa4tmn7edo2oa3ity</a> </span>
<a target="_blank" rel="noopener" href="https://web.archive.org/web/20190501030644/https://ntrs.nasa.gov/archive/nasa/casi.ntrs.nasa.gov/20180005177.pdf" title="fulltext PDF download" data-goatcounter-click="serp-fulltext" data-goatcounter-title="serp-fulltext"> <button class="ui simple right pointing dropdown compact black labeled icon button serp-button"> <i class="icon ia-icon"></i> Web Archive [PDF] <div class="menu fulltext-thumbnail"> <img src="https://blobs.fatcat.wiki/thumbnail/pdf/fa/58/fa58eb0367de5ef2d3fa8fe744e5f5e8a168bbac.180px.jpg" alt="fulltext thumbnail" loading="lazy"> </div> </button> </a> <a target="_blank" rel="external noopener noreferrer" href="https://doi.org/10.1109/igarss.2018.8518011"> <button class="ui left aligned compact blue labeled icon button serp-button"> <i class="external alternate icon"></i> ieee.com </button> </a>

HIGH-RESOLUTION ENHANCED PRODUCT BASED ON SMAP ACTIVE-PASSIVE APPROACH USING SENTINEL 1A AND 1B SAR DATA

N. N. Das, D. Entekhabi, S. Kim, T. Jagdhuber, S. Dunbar, S. Yueh, P. E. O'Neill, A. Colliander, J. Walker, T. J. Jackson
<span title="2018-11-19">2018</span> <i title="Copernicus GmbH"> <a target="_blank" rel="noopener" href="https://fatcat.wiki/container/i74shj7anreaxjo327fokng66m" style="color: black;">The International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences</a> </i> &nbsp;
</strong> SMAP project released a new enhanced high-resolution (3km) soil moisture active-passive product.  ...  Assessment of the SMAP and Sentinel active-passive algorithm has been conducted and results show feasibility of estimating surface soil moisture at high-resolution in regions with low vegetation density  ...  This feature of the microwave active-passive algorithm enables us to work on an Enhanced SMAP-Sentinel high resolution soil moisture product.  ... 
<span class="external-identifiers"> <a target="_blank" rel="external noopener noreferrer" href="https://doi.org/10.5194/isprs-archives-xlii-5-203-2018">doi:10.5194/isprs-archives-xlii-5-203-2018</a> <a target="_blank" rel="external noopener" href="https://fatcat.wiki/release/3zoptz5yovamtl6ledftni6ezu">fatcat:3zoptz5yovamtl6ledftni6ezu</a> </span>
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Soil Moisture Mapping from Satellites: An Intercomparison of SMAP, SMOS, FY3B, AMSR2, and ESA CCI over Two Dense Network Regions at Different Spatial Scales

Chenyang Cui, Jia Xu, Jiangyuan Zeng, Kun-Shan Chen, Xiaojing Bai, Hui Lu, Quan Chen, Tianjie Zhao
<span title="2017-12-25">2017</span> <i title="MDPI AG"> <a target="_blank" rel="noopener" href="https://fatcat.wiki/container/kay2tsbijbawliu45dnhvyvgsq" style="color: black;">Remote Sensing</a> </i> &nbsp;
This paper examines the performance of eight satellite-based soil moisture products, including the Soil Moisture Active Passive (SMAP) passive Level 3 (L3), the Soil Moisture and Ocean Salinity (SMOS)  ...  The SMAP-enhanced passive soil moisture product captured the temporal variation of ground measurements well, with a correlation coefficient larger than 0.8, and was generally superior to the JAXA product  ...  Acknowledgments: The work was supported by the Open Research Fund of Key Laboratory of Digital Earth  ... 
<span class="external-identifiers"> <a target="_blank" rel="external noopener noreferrer" href="https://doi.org/10.3390/rs10010033">doi:10.3390/rs10010033</a> <a target="_blank" rel="external noopener" href="https://fatcat.wiki/release/3yjatu233vh75ba7v4ogxjdlye">fatcat:3yjatu233vh75ba7v4ogxjdlye</a> </span>
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Development and assessment of the SMAP enhanced passive soil moisture product

S.K. Chan, R. Bindlish, P. O'Neill, T. Jackson, E. Njoku, S. Dunbar, J. Chaubell, J. Piepmeier, S. Yueh, D. Entekhabi, A. Colliander, F. Chen (+21 others)
<span title="2017-10-13">2018</span> <i title="Elsevier BV"> <a target="_blank" rel="noopener" href="https://fatcat.wiki/container/lm57ugzxwjehna44tee4sjxr4u" style="color: black;">Remote Sensing of Environment</a> </i> &nbsp;
This article covers the development and assessment of the SMAP Level 2 Enhanced Passive Soil Moisture Product (L2_SM_P_E).  ...  Among these new data products are the SMAP Enhanced Passive Soil Moisture Product that was released in December 2016, followed by the SMAP/Sentinel-1 Active-Passive Soil Moisture Product in April 2017.  ...  2017. 27 28 This article covers the development and assessment of the SMAP Level 2 Enhanced 29 Passive Soil Moisture Product (L2_SM_P_E).  ... 
<span class="external-identifiers"> <a target="_blank" rel="external noopener noreferrer" href="https://doi.org/10.1016/j.rse.2017.08.025">doi:10.1016/j.rse.2017.08.025</a> <a target="_blank" rel="external noopener" href="https://www.ncbi.nlm.nih.gov/pubmed/32943797">pmid:32943797</a> <a target="_blank" rel="external noopener" href="https://pubmed.ncbi.nlm.nih.gov/PMC7493025/">pmcid:PMC7493025</a> <a target="_blank" rel="external noopener" href="https://fatcat.wiki/release/oteov5sqjrfydmxifee2flu6by">fatcat:oteov5sqjrfydmxifee2flu6by</a> </span>
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The Evaluation of SMAP Enhanced Soil Moisture Products Using High-Resolution Model Simulations and In-Situ Observations on the Tibetan Plateau

Chengwei Li, Hui Lu, Kun Yang, Menglei Han, Jonathon Wright, Yingying Chen, Le Yu, Shiming Xu, Xiaomeng Huang, Wei Gong
<span title="2018-03-31">2018</span> <i title="MDPI AG"> <a target="_blank" rel="noopener" href="https://fatcat.wiki/container/kay2tsbijbawliu45dnhvyvgsq" style="color: black;">Remote Sensing</a> </i> &nbsp;
The Soil Moisture Active Passive (SMAP) mission was designed to provide a global mapping of soil moisture (SM) measured by L-band passive and active microwave sensors.  ...  The L1C_TB_E product is then used as the primary input to subsequent passive geophysical inversions to produce the SMAP Level 2 Enhanced Passive Soil Moisture Product (L2_SM_P_E) [18] .  ...  Conflicts of Interest: The authors declare no conflict of interest.  ... 
<span class="external-identifiers"> <a target="_blank" rel="external noopener noreferrer" href="https://doi.org/10.3390/rs10040535">doi:10.3390/rs10040535</a> <a target="_blank" rel="external noopener" href="https://fatcat.wiki/release/vbri77ivlbdofoo2cbwhgmrzmm">fatcat:vbri77ivlbdofoo2cbwhgmrzmm</a> </span>
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The NASA Soil Moisture Active Passive (SMAP) mission: Overview

Peggy O'Neill, Dara Entekhabi, Eni Njoku, Kent Kellogg
<span title="">2010</span> <i title="IEEE"> <a target="_blank" rel="noopener" href="https://fatcat.wiki/container/6i67v2zuujhfvocqaapmnsoifm" style="color: black;">2010 IEEE International Geoscience and Remote Sensing Symposium</a> </i> &nbsp;
The combined active/passive microwave soil moisture product will have a spatial resolution of 10 km and a mean latency of 24 hours.  ...  The Soil Moisture Active Passive (SMAP) mission is one of the first Earth observation satellites being developed by NASA in response to the National Research Council's Decadal Survey [1] .  ...  Based on the NRC recommendations and on its own evaluation of technical readiness, NASA selected the Soil Moisture Active Passive (SMAP) mission to be the first of the Decadal Survey missions to be developed  ... 
<span class="external-identifiers"> <a target="_blank" rel="external noopener noreferrer" href="https://doi.org/10.1109/igarss.2010.5652291">doi:10.1109/igarss.2010.5652291</a> <a target="_blank" rel="external noopener" href="https://dblp.org/rec/conf/igarss/ONeillENK10.html">dblp:conf/igarss/ONeillENK10</a> <a target="_blank" rel="external noopener" href="https://fatcat.wiki/release/azquozvhubezba5vboglmekuci">fatcat:azquozvhubezba5vboglmekuci</a> </span>
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Evaluation of SMAP downscaled brightness temperature using SMAPEx-4/5 airborne observations

N. Ye, J.P. Walker, R. Bindlish, J. Chaubell, N.N. Das, A.I. Gevaert, T.J. Jackson, C. Rüdiger
<span title="">2019</span> <i title="Elsevier BV"> <a target="_blank" rel="noopener" href="https://fatcat.wiki/container/lm57ugzxwjehna44tee4sjxr4u" style="color: black;">Remote Sensing of Environment</a> </i> &nbsp;
The Soil Moisture Active and Passive (SMAP) mission, launched by the National Aeronautics and Space Administration (NASA) on 31st January 2015, was designed to provide global soil moisture every 2 to 3  ...  The results show that the SMAP AP downscaled brightness temperature had a correlation coefficient (R) of 0.84 and Root-Mean-Squared Error (RMSE) of ~10 K, while SMAP Enhanced, Nearest Neighbour, Weighted  ...  Acknowledgements This work was supported within the framework of the MoistureMonitor project funded by the Australian Research Council (DP140100572).  ... 
<span class="external-identifiers"> <a target="_blank" rel="external noopener noreferrer" href="https://doi.org/10.1016/j.rse.2018.11.033">doi:10.1016/j.rse.2018.11.033</a> <a target="_blank" rel="external noopener" href="https://www.ncbi.nlm.nih.gov/pubmed/32020952">pmid:32020952</a> <a target="_blank" rel="external noopener" href="https://pubmed.ncbi.nlm.nih.gov/PMC6999732/">pmcid:PMC6999732</a> <a target="_blank" rel="external noopener" href="https://fatcat.wiki/release/3bgrho6thbc65ji4cdwyrklyzy">fatcat:3bgrho6thbc65ji4cdwyrklyzy</a> </span>
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Evaluation of SMAP level 2 soil moisture algorithms using SMOS data

Rajat Bindlish, Thomas J. Jackson, Tianjie Zhao, Michael Cosh, Steven Chan, Peggy O'Neill, Eni Njoku, Andreas Colliander, Yann Kerr, J. C. Shi
<span title="">2011</span> <i title="IEEE"> <a target="_blank" rel="noopener" href="https://fatcat.wiki/container/6i67v2zuujhfvocqaapmnsoifm" style="color: black;">2011 IEEE International Geoscience and Remote Sensing Symposium</a> </i> &nbsp;
Evaluation of Results Several different datasets will be used to evaluate the performance of the SMAP soil moisture algorithm: and Reynolds Creek, Idaho) were developed and used as part of the AMSR-E validation  ...  Introduction The objectives of the SMAP (Soil Moisture Active Passive) mission are global measurements of soil moisture and land freeze/thaw state at 10 km and 3 km resolution, respectively.  ... 
<span class="external-identifiers"> <a target="_blank" rel="external noopener noreferrer" href="https://doi.org/10.1109/igarss.2011.6049705">doi:10.1109/igarss.2011.6049705</a> <a target="_blank" rel="external noopener" href="https://dblp.org/rec/conf/igarss/BindlishJZCCONCKS11.html">dblp:conf/igarss/BindlishJZCCONCKS11</a> <a target="_blank" rel="external noopener" href="https://fatcat.wiki/release/ft4tqj3conadzmvqc73743425u">fatcat:ft4tqj3conadzmvqc73743425u</a> </span>
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The SMAP mission combined active-passive soil moisture product at 9 km and 3 km spatial resolutions

Narendra N. Das, Dara Entekhabi, R. Scott Dunbar, Andreas Colliander, Fan Chen, Wade Crow, Thomas J. Jackson, Aaron Berg, David D. Bosch, Todd Caldwell, Michael H. Cosh, Chandra H. Collins (+10 others)
<span title="">2018</span> <i title="Elsevier BV"> <a target="_blank" rel="noopener" href="https://fatcat.wiki/container/lm57ugzxwjehna44tee4sjxr4u" style="color: black;">Remote Sensing of Environment</a> </i> &nbsp;
A B S T R A C T The NASA Soil Moisture Active Passive (SMAP) mission was launched on January 31st, 2015.  ...  However, before this occurred the mission was able to collect and process 2.5 months of the SMAP high-resolution active-passive soil moisture data (L2SMAP) that coincided with the Northern Hemisphere's  ...  Seungbum Kim from JPL for their constructive comments and help in developing some of the modules for the SMAP active-passive Science Software.  ... 
<span class="external-identifiers"> <a target="_blank" rel="external noopener noreferrer" href="https://doi.org/10.1016/j.rse.2018.04.011">doi:10.1016/j.rse.2018.04.011</a> <a target="_blank" rel="external noopener" href="https://fatcat.wiki/release/mlncjbo4xffynirvjmfqiwe7qa">fatcat:mlncjbo4xffynirvjmfqiwe7qa</a> </span>
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Potential Applicability of SMAP in ECV Soil Moisture Gap-filling: A Case Study in Europe (May 2020)

Yangxiaoyue Liu, Yaping Yang, Wenlong Jing
<span title="">2020</span> <i title="Institute of Electrical and Electronics Engineers (IEEE)"> <a target="_blank" rel="noopener" href="https://fatcat.wiki/container/q7qi7j4ckfac7ehf3mjbso4hne" style="color: black;">IEEE Access</a> </i> &nbsp;
The authors would like to appreciate ESA and NASA for providing ECV and SMAP data. We also thank the ISMN for providing in-situ measurements data.  ...  , and stand for soil volumetric moisture content, relative soil humidity, soil bulk density and field moisture capacity, respectively. 2) SMAP SM NASA launched the SMAP satellite successfully with an  ...  To take advantage of both active and passive SM products, research institutions tries to develop multi-sensor combined SM by fusing active and passive sensor-derived SM dataset.  ... 
<span class="external-identifiers"> <a target="_blank" rel="external noopener noreferrer" href="https://doi.org/10.1109/access.2020.3009977">doi:10.1109/access.2020.3009977</a> <a target="_blank" rel="external noopener" href="https://fatcat.wiki/release/vrkrpwmwpfbg7anzr6ts7wjmgu">fatcat:vrkrpwmwpfbg7anzr6ts7wjmgu</a> </span>
<a target="_blank" rel="noopener" href="https://web.archive.org/web/20200723145358/https://ieeexplore.ieee.org/ielx7/6287639/6514899/09143114.pdf?tp=&amp;arnumber=9143114&amp;isnumber=6514899&amp;ref=" title="fulltext PDF download" data-goatcounter-click="serp-fulltext" data-goatcounter-title="serp-fulltext"> <button class="ui simple right pointing dropdown compact black labeled icon button serp-button"> <i class="icon ia-icon"></i> Web Archive [PDF] </button> </a> <a target="_blank" rel="external noopener noreferrer" href="https://doi.org/10.1109/access.2020.3009977"> <button class="ui left aligned compact blue labeled icon button serp-button"> <i class="unlock alternate icon" style="background-color: #fb971f;"></i> ieee.com </button> </a>

High-Resolution SMAP Satellite Soil Moisture Product: Exploring the Opportunities

Peyman Abbaszadeh, Hamid Moradkhani, Keyhan Gavahi, Sujay Kumar, Christopher Hain, Xiwu Zhan, Qingyun Duan, Christa Peters-Lidard, Mohammadsepehr Karimiziarani
<span title="2021-03-05">2021</span> <i title="American Meteorological Society"> <a target="_blank" rel="noopener" href="https://fatcat.wiki/container/o37ysks2kfagdpzl7i762yxbfy" style="color: black;">Bulletin of The American Meteorological Society - (BAMS)</a> </i> &nbsp;
Acknowledgments Partial financial support for this project was provided by the National Oceanic and Atmospheric Administration (NOAA) Modeling, Analysis, Predictions, and Projections (MAPP) (Grant NA18OAR4310319  ...  Also, partial financial support was provided by the National Science Foundation (NSF) (Grant EAR-1856054). •  ...  The assessment of this product has been performed using the soil moisture calibration and validation sites and the results showed reasonable accuracy of ~0.05 m 3 m -3 .  ... 
<span class="external-identifiers"> <a target="_blank" rel="external noopener noreferrer" href="https://doi.org/10.1175/bams-d-21-0016.1">doi:10.1175/bams-d-21-0016.1</a> <a target="_blank" rel="external noopener" href="https://fatcat.wiki/release/5hel6br2ffbddoocybsqoj7zuq">fatcat:5hel6br2ffbddoocybsqoj7zuq</a> </span>
<a target="_blank" rel="noopener" href="https://web.archive.org/web/20210716002138/https://journals.ametsoc.org/downloadpdf/journals/bams/102/4/BAMS-D-21-0016.1.pdf" title="fulltext PDF download" data-goatcounter-click="serp-fulltext" data-goatcounter-title="serp-fulltext"> <button class="ui simple right pointing dropdown compact black labeled icon button serp-button"> <i class="icon ia-icon"></i> Web Archive [PDF] <div class="menu fulltext-thumbnail"> <img src="https://blobs.fatcat.wiki/thumbnail/pdf/60/f0/60f0ad69a5c8e6132663277c4219a53b206367b1.180px.jpg" alt="fulltext thumbnail" loading="lazy"> </div> </button> </a> <a target="_blank" rel="external noopener noreferrer" href="https://doi.org/10.1175/bams-d-21-0016.1"> <button class="ui left aligned compact blue labeled icon button serp-button"> <i class="unlock alternate icon" style="background-color: #fb971f;"></i> Publisher / doi.org </button> </a>

DEVELOPMENT AND VALIDATION OF A NEW PASSIVE MICROWAVE BASED SOIL MOISTURE INDEX

J. Zeng, K.-S. Chen, C. Cui, H. Bi
<span title="2020-08-03">2020</span> <i title="Copernicus GmbH"> <a target="_blank" rel="noopener" href="https://fatcat.wiki/container/yhzu63ehjfe2dbswnsdfm5vlba" style="color: black;">ISPRS Annals of the Photogrammetry, Remote Sensing and Spatial Information Sciences</a> </i> &nbsp;
We calculated the SMI by using the L-band SMAP Level-3 datasets and validated it with five well calibrated and dense soil moisture networks and also compared it with SMAP and ESA CCI soil moisture products  ...  In this study, we proposed a new soil moisture index (SMI) from passive microwave observations, aiming to capture the soil moisture variability.  ...  SMAP passive official soil moisture product and ESA CCI product.  ... 
<span class="external-identifiers"> <a target="_blank" rel="external noopener noreferrer" href="https://doi.org/10.5194/isprs-annals-v-3-2020-125-2020">doi:10.5194/isprs-annals-v-3-2020-125-2020</a> <a target="_blank" rel="external noopener" href="https://fatcat.wiki/release/tsgztv6vxfhrhfmwbvhk75cbmu">fatcat:tsgztv6vxfhrhfmwbvhk75cbmu</a> </span>
<a target="_blank" rel="noopener" href="https://web.archive.org/web/20200806142445/https://www.isprs-ann-photogramm-remote-sens-spatial-inf-sci.net/V-3-2020/125/2020/isprs-annals-V-3-2020-125-2020.pdf" title="fulltext PDF download" data-goatcounter-click="serp-fulltext" data-goatcounter-title="serp-fulltext"> <button class="ui simple right pointing dropdown compact black labeled icon button serp-button"> <i class="icon ia-icon"></i> Web Archive [PDF] <div class="menu fulltext-thumbnail"> <img src="https://blobs.fatcat.wiki/thumbnail/pdf/6b/30/6b303e35f357d9982c14614d3f50c1a48567b6d7.180px.jpg" alt="fulltext thumbnail" loading="lazy"> </div> </button> </a> <a target="_blank" rel="external noopener noreferrer" href="https://doi.org/10.5194/isprs-annals-v-3-2020-125-2020"> <button class="ui left aligned compact blue labeled icon button serp-button"> <i class="unlock alternate icon" style="background-color: #fb971f;"></i> Publisher / doi.org </button> </a>

An assessment of the differences between spatial resolution and grid size for the SMAP enhanced soil moisture product over homogeneous sites

A. Colliander, T.J. Jackson, S.K. Chan, P. O'Neill, R. Bindlish, M.H. Cosh, T. Caldwell, J.P. Walker, A. Berg, H. McNairn, M. Thibeault, J. Martínez-Fernández (+10 others)
<span title="">2018</span> <i title="Elsevier BV"> <a target="_blank" rel="noopener" href="https://fatcat.wiki/container/lm57ugzxwjehna44tee4sjxr4u" style="color: black;">Remote Sensing of Environment</a> </i> &nbsp;
Here, this issue was examined for the Soil Moisture Active Passive (SMAP) enhanced version of the passive-based soil moisture product, which has a grid size of 9-km and a nominal spatial resolution of  ...  The implication is that using the enhanced SMAP product at its grid resolution of 9-km should not introduce large errors in most applications.  ...  The University of Salamanca team involvement in this study was supported by the Spanish Ministry of Economy and Competitiveness with the projects ESP2015-67549-C3 and ESP2017-89463-C3-3-R, and the European  ... 
<span class="external-identifiers"> <a target="_blank" rel="external noopener noreferrer" href="https://doi.org/10.1016/j.rse.2018.02.006">doi:10.1016/j.rse.2018.02.006</a> <a target="_blank" rel="external noopener" href="https://fatcat.wiki/release/5clhmirgcbgoxgnf4npmssuuvm">fatcat:5clhmirgcbgoxgnf4npmssuuvm</a> </span>
<a target="_blank" rel="noopener" href="https://web.archive.org/web/20190318234438/http://users.monash.edu.au/~jpwalker/papers/rse18-3.pdf" title="fulltext PDF download" data-goatcounter-click="serp-fulltext" data-goatcounter-title="serp-fulltext"> <button class="ui simple right pointing dropdown compact black labeled icon button serp-button"> <i class="icon ia-icon"></i> Web Archive [PDF] <div class="menu fulltext-thumbnail"> <img src="https://blobs.fatcat.wiki/thumbnail/pdf/ce/77/ce770c877a1dbf60355cbae62997937b5f41563b.180px.jpg" alt="fulltext thumbnail" loading="lazy"> </div> </button> </a> <a target="_blank" rel="external noopener noreferrer" href="https://doi.org/10.1016/j.rse.2018.02.006"> <button class="ui left aligned compact blue labeled icon button serp-button"> <i class="external alternate icon"></i> elsevier.com </button> </a>

Very High Spatial Resolution Downscaled SMAP Radiometer Soil Moisture in the CONUS Using VIIRS/MODIS Data

Bin Fang, Venkat Lakshmi, Michael Cosh, Christopher Hain
<span title="">2021</span> <i title="Institute of Electrical and Electronics Engineers (IEEE)"> <a target="_blank" rel="noopener" href="https://fatcat.wiki/container/b2n2tpw5ang73osulebz6bm4ju" style="color: black;">IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing</a> </i> &nbsp;
sciences, specifically after the Soil Moisture Active and Passive (SMAP) was launched in 2015.  ...  The 400-m/1-km downscaled SM products were validated using 125 in situ SM ground measurements acquired from the International Soil Moisture Network (ISMN).  ...  This research was supported in part by the U.S. Department of Agriculture (USDA), Agricultural Research Service. USDA is an equal opportunity provider and employer.  ... 
<span class="external-identifiers"> <a target="_blank" rel="external noopener noreferrer" href="https://doi.org/10.1109/jstars.2021.3076026">doi:10.1109/jstars.2021.3076026</a> <a target="_blank" rel="external noopener" href="https://fatcat.wiki/release/kamd5c36b5aq7dexnoh5hdhn7m">fatcat:kamd5c36b5aq7dexnoh5hdhn7m</a> </span>
<a target="_blank" rel="noopener" href="https://web.archive.org/web/20210717230521/https://ieeexplore.ieee.org/ielx7/4609443/4609444/09416730.pdf" title="fulltext PDF download" data-goatcounter-click="serp-fulltext" data-goatcounter-title="serp-fulltext"> <button class="ui simple right pointing dropdown compact black labeled icon button serp-button"> <i class="icon ia-icon"></i> Web Archive [PDF] <div class="menu fulltext-thumbnail"> <img src="https://blobs.fatcat.wiki/thumbnail/pdf/0b/e1/0be1857f849ee2a0cb873b3300fbb8589bbf46fa.180px.jpg" alt="fulltext thumbnail" loading="lazy"> </div> </button> </a> <a target="_blank" rel="external noopener noreferrer" href="https://doi.org/10.1109/jstars.2021.3076026"> <button class="ui left aligned compact blue labeled icon button serp-button"> <i class="unlock alternate icon" style="background-color: #fb971f;"></i> ieee.com </button> </a>
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