[1]FENG Wenwen,LIU Fengxia,QIAN Hui,et al.Characteristics of Precipitation in Wugong Area Under the Background of Climate Change[J].Research of Soil and Water Conservation,2020,27(02):200-205.
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Characteristics of Precipitation in Wugong Area Under the Background of Climate Change
Research of Soil and Water Conservation[ISSN 1005-3409/CN 61-1272/P] Volume:
27
Number of periods:
2020 02
Page number:
200-205
Column:
Public date:
2020-03-30
- Title:
- Characteristics of Precipitation in Wugong Area Under the Background of Climate Change
- CLC:
- P426.62+3
- DOI:
- -
- Abstract:
- In order to study the relationship between precipitation and climate change, measured data of monthly precipitation and temperature in Wugong region from 1955 to 2015 were used to examine the climate change of Wugong area through linear trend estimation, Mann-Kendall nonparametric test and Morlet wavelet analysis. The results show that the annual precipitation of Wugong area decreased with a rate of 15.56 mm/decade, with intense diminishing in spring and summer, and mild declining in autumn and winter; the typical mutation of annual and seasonal precipitation series occurred around 1983, indicating the consistency of the annual and seasonal precipitation, and suggesting the mutation of precipitation in Wugong area during the 1990s; the chilling period in Wugong area covered the period from 1955 to 1994, in which the temperature decreasing led to the diminishing of precipitation with a rate of 39.46 mm/decade. However, the warmer duration of Wugong area was the period from 1995 to 2015, during which the increasing rate of precipitation was 98.63 mm/decade; the precipitation in Wugong area was affected by the effects of temperature on evapotranspiration and the water-vapor transfer rate; the increment of precipitation would benefit to the water resources shortage in Wugong area, and would lead to the extreme weather scenario and flood disasters.
- References:
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Last Update:
2020-02-25