Back to Search
Start Over
Evaluation of Multi-Satellite Precipitation Products and Their Ability in Capturing the Characteristics of Extreme Climate Events over the Yangtze River Basin, China
- Source :
- Water, Vol 12, Iss 1179, p 1179 (2020), Water, Volume 12, Issue 4
- Publication Year :
- 2020
- Publisher :
- MDPI AG, 2020.
-
Abstract
- Against the background of global climate change and anthropogenic stresses, extreme climate events (ECEs) are projected to increase in both frequency and intensity. Precipitation is one of the main climate parameters for ECE analysis. However, accurate precipitation information for extreme climate events research from dense rain gauges is still difficult to obtain in mountainous or economically disadvantaged regions. Satellite precipitation products (SPPs) with high spatial and temporal resolution offer opportunities to monitor ECE intensities and trends on large spatial scales. In this study, the accuracies of seven SPPs on multiple spatiotemporal scales in the Yangtze River Basin (YRB) during the period of 2003&ndash<br />2017 are evaluated, along with their ability to capture ECE characteristics. The seven products are the Tropical Rainfall Measuring Mission, Climate Hazards Group InfraRed Precipitation with Station Data (CHIRPS) (25), CHIRPS (05), Climate Prediction Center Morphing (CMORPH), Precipitation Estimation from Remotely Sensed Information using Artificial Neural Networks (PERSIANN)-Climate Data Record, PERSIANN-Cloud Classification System, and Global Precipitation Measurement (GPM) IMERG. Rain gauge precipitation data provided by the China Meteorological Administration are adopted as reference data. Various statistical evaluation metrics and different ECE indexes are used to evaluate and compare the performances of the selected products. The results show that CMORPH has the best agreement with the reference data on the daily and annual scales, but GPM IMERG performs relatively well on the monthly scale. With regard to ECE monitoring in the YRB, in general, GPM IMERG and CMORPH provide higher precision. As regards the spatial heterogeneity of the SPP performance in the YRB, most of the examined SPPs have poor accuracy in the mountainous areas of the upper reach. Only CMORPH and GPM IMERG exhibit superior performance<br />this is because they feature an improved inversion precipitation algorithm for mountainous areas. Furthermore, most SPPs have poor ability to capture extreme precipitation in the estuaries of the lower reach and to monitor drought in the mountainous areas of the upper reach. This study can provide a reference for SPP selection for ECE analysis.
- Subjects :
- lcsh:Hydraulic engineering
010504 meteorology & atmospheric sciences
Geography, Planning and Development
0207 environmental engineering
02 engineering and technology
Aquatic Science
01 natural sciences
Biochemistry
extreme climate events
statistical evaluation
lcsh:Water supply for domestic and industrial purposes
lcsh:TC1-978
Precipitation
020701 environmental engineering
0105 earth and related environmental sciences
Water Science and Technology
lcsh:TD201-500
Rain gauge
Global warming
Spatial heterogeneity
Yangtze River Basin
Climatology
Temporal resolution
PERSIANN
Environmental science
Scale (map)
Global Precipitation Measurement
satellite precipitation products
Subjects
Details
- Language :
- English
- ISSN :
- 20734441
- Volume :
- 12
- Issue :
- 1179
- Database :
- OpenAIRE
- Journal :
- Water
- Accession number :
- edsair.doi.dedup.....f878ba4f07e582950b01de6881455270