[1]WANG Min,REN Jianling,YI Xiaoyuan,et al.Characteristics of Multiple Scales of Precipitation from 1901 to 2016 in the Region of Tianjin[J].Research of Soil and Water Conservation,2020,27(05):154-159.
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Characteristics of Multiple Scales of Precipitation from 1901 to 2016 in the Region of Tianjin
Research of Soil and Water Conservation[ISSN 1005-3409/CN 61-1272/P] Volume:
27
Number of periods:
2020 05
Page number:
154-159
Column:
目次
Public date:
2020-08-20
- Title:
- Characteristics of Multiple Scales of Precipitation from 1901 to 2016 in the Region of Tianjin
- CLC:
- P426.61
- DOI:
- -
- Abstract:
- Based on the reanalysis datasets and observed dataset of in Tianjin in the period 1901—2016, we used the integrated approaches that combine Taylor statistic, time variability, EEMD, to analysis the spatial-temporal characteristics of precipitation. The main conclusions are as follows.(1)Compared with CRU data, GPCC data had more applicability in Tianjin region.(2)The annual precipitation decreased from south to north as well as from east to west in spatial distribution, the distribution of time variability in the north of Tianjin was negative, and was positive in the south of Tianjin.(3)The percentage of precipitation anomaly revealed that the drought frequency was lower in the north region than south region of Tianjin.(4)With respect to the variations of various scales in terms of the percentage of precipitation anomaly, it revealed that the annual variability was similar while the decadal time scales cycle was different; there was increasing tendency from 1901s to 1950s, then the decreasing tendency after 1960s in the north region of Tianjin, while the increasing tendency in the south region ended up until 1970.
- References:
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Last Update:
2020-08-25