Results 161 to 170 of about 2,208 (191)

Assessing groundwater drought in Iran using GRACE data and machine learning. [PDF]

Sci Rep
Kashani A, Safavi HR.
europepmc   +1 more source

Review of GPM IMERG performance: A global perspective

Remote Sensing of Environment, 2022
Accurate, reliable, and high spatio-temporal resolution precipitation data are vital for many applications, including the study of extreme events, hydrological modeling, water resource management, and hydroclimatic research in general. In this study, we performed a systematic review of the available literature to assess the performance of the ...
Rajani Kumar Pradhan, Yannis Markonis, Mijael Rodrigo Vargas Godoy   +2 more
exaly   +4 more sources

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Lessons Learned in V07 IMERG

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, David Bolvin, Robert Joyce, Eric Nelkin, Jackson Tan   +4 more
openaire   +1 more source

Statistical Evaluation of the Latest GPM-Era IMERG and GSMaP Satellite Precipitation Products in the Yellow River Source Region

Water (Switzerland), 2020
As the successor of Tropical Rainfall Measuring Mission, Global Precipitation Measurement (GPM) has released a range of satellite-based precipitation products (SPPs).
Jiayong Shi, Fei Yuan, Chunxiang Shi
exaly   +2 more sources

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.  To advance the capabilities ...
Daniel Watters, Patrick Gatlin, Pierre Kirstetter, George Huffman, Jackson Tan, Eric Nelkin, David Bolvin, David Wolff, Jianxin Wang   +8 more
openaire   +1 more source

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, Eduardo García-Ortega, José Luis Sánchez, Andrés Merino, Christian Kummerow, Francisco J. Tapiador   +5 more
openaire   +1 more source

Evaluation of GPM Imerg Products Over South Korea

IGARSS 2020 - 2020 IEEE International Geoscience and Remote Sensing Symposium, 2020
The 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, Walter A. Petersen, David B. Wolff, Geun-Hyeok Ryu   +3 more
openaire   +1 more source

Evaluation of the IMERG version 05B precipitation product and comparison with IMERG version 04A over mainland China at hourly and daily scales

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,
Shiguang Xu, Zheng Niu
exaly   +2 more sources

Uncertainties associated with the IMERG Multi-Satellite precipitation product

2016 IEEE International Geoscience and Remote Sensing Symposium (IGARSS), 2016
This 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, Viviana Maggioni, Leonardo Porcacchia   +2 more
openaire   +1 more source

A Diagnosis of Oceanic Precipitation in IMERG-GMI

Journal of Hydrometeorology
Abstract 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, George J. Huffman, Patrick N. Gatlin, Pierre-Emmanuel Kirstetter, David T. Bolvin, Robert Joyce, Eric J. Nelkin, Jackson Tan, David B. Wolff   +8 more
openaire   +1 more source