[1]LI Hong-ru,CHEN Shi-wei,CAO Li-guo.Analysis of Change Characteristic of Beginning Dates and Average Length of Four Seasons in Hexi Corridor Desert Oasis in Recent 55 Years[J].Research of Soil and Water Conservation,2012,19(05):74-77.
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Analysis of Change Characteristic of Beginning Dates and Average Length of Four Seasons in Hexi Corridor Desert Oasis in Recent 55 Years
Research of Soil and Water Conservation[ISSN 1005-3409/CN 61-1272/P] Volume:
19
Number of periods:
2012 05
Page number:
74-77
Column:
Public date:
2012-10-20
- Title:
- Analysis of Change Characteristic of Beginning Dates and Average Length of Four Seasons in Hexi Corridor Desert Oasis in Recent 55 Years
- Keywords:
- Hexi Corridor; desert oasis; season beginning dates; length
- CLC:
- P468
- DOI:
- -
- Abstract:
- Based on the daily average temperature data of the 4 weather stations of the desert oasis in Hexi Corridor from 1955 to 2009 and using the methods of climate trending rate, 5 days running mean temperature, slide t detected method, the average beginning dates and length of four seasons were analyzed. The results showed that the beginning days of spring, summer and autumn came earlier in the study area in recent 55 years, especially in summer, but winter came later. It was more obvious at the beginning of the 21st century. The characteristics of changes in the average length in four seasons were as the order of winter > summer > spring > autumn. The analysis result of the abrupt change of the beginning days of four seasons indicated that spring was in 1969 and 2001, summer was in 1998, autumn was in 1985, and winter was in 1987. Obviously, the research area had a more significant response to its climate change.
- References:
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Last Update:
1900-01-01