德州植被生态质量变化及其对气候变化的响应
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1.山东省气象防灾减灾重点实验室;2.德州市气象局;3.山东省气候中心

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山东省气象局气象软科学重点项目(2024SDZDIANXM01);山东省气象局面上项目(2023sdqxm04);华东区域气象科技协同创新基金合作项目(QYHZ201815);德州市气象局重点课题(2023dzqxzd03);德州市气象局一般课题(2023dzqxyb02)。


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Dynamic Changes of Vegetation Ecological Quality and Its Response to Climate Change in Dezhou
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1.Key Laboratory for Meteorological Disaster Prevention and Mitigation of Shandong;2.Dezhou Meteorological Bureau;3.Shandong Climate Center;4.China

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    摘要:

    气候变化背景下,研究植被生态质量状况及其对气候变化的响应,可为生态文明建设提供数据参考。基于多源遥感数据和气象观测资料,利用植被生态质量监测模型,研究了德州2000—2022年植被生态质量时空变化特征及其对气候变化的响应。结果表明:二十余年以来,德州植被生态质量明显改善,植被生态质量指数、植被净初级生产力、植被覆盖度每10 a分别增加7.3、101.6 g C·m-2和6.8%。植被生态质量空间差异不大。气温和降水是改善植被生态质量的主要气候驱动因子,而且降水的驱动作用大于气温。适宜的气温、降水等水热条件,有助于植被生长发育,会促进植被生态质量改善。干旱、高温、寒潮等极端气候事件,特别是多种极端气候事件叠加,将会导致植被生态质量下降。

    Abstract:

    With the background of climate change, studying the ecological quality of vegetation and its response to climate change could provide reference data for the construction of ecological civilization. Based on multi-source remote sensing data and meteorological observation data, using the dynamic monitoring and evaluation model for spatio-temporal change of comprehensive ecological quality of vegetation, the temporal and spatial variation characteristics of vegetation ecological quality and its response to climate change in Dezhou from 2000 to 2022 has been studied. The results show that the ecological quality of vegetation in Dezhou has improved significantly since 2000. EQI, NPP, FVC, increase by 7.3, 101.6 g C·m-2, and 6.8% every ten years, respectively. The spatial difference of vegetation ecological quality was not significant. Temperature and precipitation were the main climatic driving factors to improve the ecological quality of vegetation, and the driving effect of precipitation was greater than that of temperature. Appropriate water and thermal conditions such as temperature and precipitation, were conducive to vegetation growth and development, and could promote the improvement of vegetation ecological quality. Extreme climate events such as drought, high temperature and cold wave, especially the superposition of multiple extreme climate events, would lead to the decline of vegetation ecological quality.

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  • 收稿日期:2024-03-01
  • 最后修改日期:2024-05-03
  • 录用日期:2024-08-23
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