Arid
DOI10.1175/JHM-D-16-0206.1
Comparisons of Global Terrestrial Surface Water Datasets over 15 Years
Binh Pham-Duc1,2; Prigent, Catherine1; Aires, Filipe1; Papa, Fabrice3,4
通讯作者Binh Pham-Duc
来源期刊JOURNAL OF HYDROMETEOROLOGY
ISSN1525-755X
EISSN1525-7541
出版年2017
卷号18期号:4页码:993-1007
英文摘要

Continental surface water extents and dynamics are key information to model Earth’s hydrological and biochemical cycles. This study presents global and regional comparisons between two multisatellite surface water extent datasets, the Global Inundation Extent from Multi-Satellites (GIEMS) and the Surface Water Microwave Product Series (SWAMPS), for the 1993-2007 period, along with two widely used static inundation datasets, the Global Lakes and Wetlands Database (GLWD) and the Matthews and Fung wetland estimates. Maximum surface water extents derived from these datasets are largely different: similar to 13 x 10(6) km(2) from GLWD, 5.3 x 10(6) km(2) from Matthews and Fung, similar to 6.2 x 10(6) km(2) from GIEMS, and similar to 10.3 x 10(6) km(2) from SWAMPS. SWAMPS global maximum surface extent reduces by nearly 51% (to similar to 5 x 10(6) km(2)) when applying a coastal filter, showing a strong contamination in this retrieval over the coastal regions. Anomalous surface waters are also detected with SWAMPS over desert areas. The seasonal amplitude of the GIEMS surface waters is much larger than the SWAMPS estimates, and GIEMS dynamics is more consistent with other hydrological variables such as the river discharge. Over the Amazon basin, GIEMS and SWAMPS show a very high time series correlation (95%), but with SWAMPS maximum extent half the size of that from GIEMS and from previous synthetic aperture radar estimates. Over the Niger basin, SWAMPS seasonal cycle is out of phase with both GIEMS and MODIS-derived water extent estimates, as well as with river discharge data.


类型Article
语种英语
国家France ; Vietnam ; India
收录类别SCI-E
WOS记录号WOS:000405433500005
WOS关键词COMPARISON PROJECT WETCHIMP ; REMOTE-SENSING DATA ; ATMOSPHERIC METHANE ; INUNDATION EXTENT ; WETLAND DYNAMICS ; NATURAL WETLANDS ; PRESENT STATE ; RESOLUTION ; LAKES ; EMISSIONS
WOS类目Meteorology & Atmospheric Sciences
WOS研究方向Meteorology & Atmospheric Sciences
来源机构French National Research Institute for Sustainable Development
资源类型期刊论文
条目标识符http://119.78.100.177/qdio/handle/2XILL650/200603
作者单位1.Observ Paris, CNRS, Lab Etud Rayonnement & Mat Astrophys & Atmospher, Paris, France;
2.Univ Sci & Technol Hanoi, Space & Aeronaut Dept, Hanoi, Vietnam;
3.Univ Toulouse, CNRS, UPS, LEGOS,IRD,CNES, Toulouse, France;
4.Indian Inst Sci, Indofrench Cell Water Sci, IRD IISc NIO IITM, Bangalore, Karnataka, India
推荐引用方式
GB/T 7714
Binh Pham-Duc,Prigent, Catherine,Aires, Filipe,et al. Comparisons of Global Terrestrial Surface Water Datasets over 15 Years[J]. French National Research Institute for Sustainable Development,2017,18(4):993-1007.
APA Binh Pham-Duc,Prigent, Catherine,Aires, Filipe,&Papa, Fabrice.(2017).Comparisons of Global Terrestrial Surface Water Datasets over 15 Years.JOURNAL OF HYDROMETEOROLOGY,18(4),993-1007.
MLA Binh Pham-Duc,et al."Comparisons of Global Terrestrial Surface Water Datasets over 15 Years".JOURNAL OF HYDROMETEOROLOGY 18.4(2017):993-1007.
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