Results 161 to 170 of about 2,625 (189)
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2023
The Global Precipitation Measurement (GPM) mission combines passive microwave (PMW) and infrared (IR) satellite data, together with other data to create the Integrated Multi-satellitE Retrievals for (IMERG) precipitation product on a (nearly) global 0.1° half-hour grid.  Experience with Version 06 datasets revealed deficiencies that ...
George Huffman +4 more
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The Global Precipitation Measurement (GPM) mission combines passive microwave (PMW) and infrared (IR) satellite data, together with other data to create the Integrated Multi-satellitE Retrievals for (IMERG) precipitation product on a (nearly) global 0.1° half-hour grid.  Experience with Version 06 datasets revealed deficiencies that ...
George Huffman +4 more
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IMERG Validation with the GPM Validation Network
2022<p>The Global Precipitation Measurement (GPM) Mission Validation Network (VN) is a NASA software system run at Marshall Space Flight Center which geometrically matches three-dimensional precipitation retrievals from the GPM Core Observatory (CO) sensors to 118 international ground-based radars.&#160; To advance the capabilities ...
Daniel Watters +8 more
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Atmospheric Research, 2022 This study focused on improving the performance of the near real-time Integrated Multi-satellitE Retrievals for Global Precipitation Measurement (IMERG) Early Run (IMERG-E) product based on a newly developed bias-correction scheme, LSCDF.
Menghao Wang +2 more
exaly +2 more sources
Evaluation of GPM Imerg Products Over South Korea
IGARSS 2020 - 2020 IEEE International Geoscience and Remote Sensing Symposium, 2020The Integrated Multi-satellitE Retrievals for GPM (IMERG) is a global gridded precipitation product that unifies measurements from a network of satellites in the GPM constellation. Multi-temporal evaluation of IMERG products for a specific region is essential to the algorithm improvement and product applications.
Jianxin Wang +3 more
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Assessments of IMERG precipitation over Europe
2020<p>Accurate estimation of precipitation is essential in weather prediction, climate change research, and hydrologic applications. However, unlike temperature and pressure, precipitation fields can be spatially patchy and consequently extremely difficult to measure and predict.
Andrés Navarro +5 more
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Advances in Space Research, 2019
Abstract Integrated Multi-satellite Retrievals for Global Precipitation Measurement mission (IMERG) is a quasi-global precipitation product to provide high-quality and fine-scale precipitation estimates. Recently, there have been some significant improvements of IMERG’s retrieval algorithm, generating new half-hour precipitation estimates (Version 5B,
Zheng Niu, Shiguang Xu
exaly +2 more sources
Abstract Integrated Multi-satellite Retrievals for Global Precipitation Measurement mission (IMERG) is a quasi-global precipitation product to provide high-quality and fine-scale precipitation estimates. Recently, there have been some significant improvements of IMERG’s retrieval algorithm, generating new half-hour precipitation estimates (Version 5B,
Zheng Niu, Shiguang Xu
exaly +2 more sources
Uncertainties associated with the IMERG Multi-Satellite precipitation product
2016 IEEE International Geoscience and Remote Sensing Symposium (IGARSS), 2016This study compares the NASA Integrated Multi-satellitE Retrievals for GPM (IMERG) satellite precipitation product with the satellite radar-based GPM Ku-Ka 2ADPR product across the contiguous United States (CONUS) at 0.1° and half-hourly resolution. Results are shown in terms of performance and Taylor's diagrams, which provide a concise description of ...
Sana Khan +2 more
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A Diagnosis of Oceanic Precipitation in IMERG-GMI
Journal of HydrometeorologyAbstract Diagnosing errors in spaceborne oceanic precipitation estimates is difficult due to complicated multisatellite algorithms and limited surface-based measurements. The Global Precipitation Measurement (GPM) mission helps to alleviate these challenges with NASA’s Integrated Multi-satellitE Retrievals for GPM (IMERG) product ...
Daniel C. Watters +8 more
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IMERG-E and IMERG-L: A Comprehensive Evaluation of the Medicane Daniel in Thessaly, Greece
On 4 September 2023, the area of Thessaly (Greece) experienced a catastrophic flood as a result of the Daniel hurricane sequence. This severe phenomenon is characterized by extreme rainfall records ranging from 305 mm to 1096 mm between 4 and 7 September, causing severe damage to infrastructure, agriculture and buildings.Evangelos Leivadiotis +2 more
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