[1]FAN Chenyu,JING Haitao,WANG Li,et al.Spatial-Temporal Change of Climate and Its Relationship with Vegetation Coverage in Taihang Mountainous Areas[J].Research of Soil and Water Conservation,2020,27(03):146-152,158.
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Spatial-Temporal Change of Climate and Its Relationship with Vegetation Coverage in Taihang Mountainous Areas
Research of Soil and Water Conservation[ISSN 1005-3409/CN 61-1272/P] Volume:
27
Number of periods:
2020 03
Page number:
146-152,158
Column:
目次
Public date:
2020-04-20
- Title:
- Spatial-Temporal Change of Climate and Its Relationship with Vegetation Coverage in Taihang Mountainous Areas
- Keywords:
- Taihang Mountainous Areas; temperature; precipitation; spatial-temporal changes; NDVI; GIS
- CLC:
- Q948
- DOI:
- -
- Abstract:
- In recent years, climate change has seriously affected the survival and development of human beings, and it also led to changes in regional vegetation coverage. Studying the climate change in Taihang Mountainous Areas and its relationship with vegetation coverage provides a powerful force for meteorological prediction and ecological environmental protection in the region. Based on daily average temperature and daily precipitation data of 18 benchmark meteorological monitoring stations in the Taihang Mountainous Areas from 1973 to 2018, combing with the GIMMS NDVI data of the ten years(1986—2005)before and after the temperature change point, using trend analysis method, the theory of flat analysis, Mann-Kendall mutation test, we analyzed the temporal and spatial variation of temperature and precipitation in Taihang Mountainous Areas and its impact on vegetation coverage. The results showed that in the past 50 years, on the time scale, the temperature rise trend was significant, and the precipitation had no obvious upward trend; temperatures in the Taihang Mountainous Areas showed a sudden change in 1995; in terms of spatial distribution, temperature changes were significantly affected by altitude, and the temperature presentd the overall rising trend; The overall performance of precipitation in Taihang Mountainous Areas gradually declined from northeast to southwest. Based on the analysis on NDVI data during ten years before temperature change point and ten years after temperature change point in Taihang Mountainous Areas, it was found that the overall change of NDVI in Taihang Mountainous Areas had obvious volatility, and the effect to temperature to the change of vegetation coverage level had a regional difference, indicating that the temperature change point did not exist significant impact on NDVI to a certain extent.
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Last Update:
2020-04-30