青藏高原高寒草地物候的研究进展
A Review on Alpine Grassland Phenology on the Tibetan Plateau
查看参考文献64篇
文摘
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植被物候现象是环境条件季节和年际变化最直观、最敏感的综合指示器。野外目视观察法、植物物候模型、数字相机技术、遥感技术等是物候监测的主要方法。青藏高原整体上高寒草地返青期变化目前有4种观点,返青期推后、提前、没有明显变化、在波动中提前。物候与气候之间相互关联,相互作用。温度、水分、CO_2浓度、积雪和极端气候是影响高寒草地生长发育的重要因素。不同尺度下物候变化及哪个因素更具影响力存在不确定性。最后还展望了未来研究重点方向。 |
其他语种文摘
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Vegetation phenology is the most intuitive and sensitive indicator of seasonal and inter-annual variability under environment conditions.The phenology monitoring methods mainly include field observation, phenology model,digital camera and remote sensing technology.On the Tibetan Plateau,the start of growing season for alpine grassland had four viewpoints:experiencing an advancing and advancing in fluctuating trend,apostponing trend and no change,respectively.Phenology phases experience interactions with climatic factors.These factors,such as temperature,precipitation,CO_2 concentration,snow cover and extreme climate,play an important role in alpine grassland growth.Meanwhile,phenology changes at different scales and the driving factors are uncertainty.Finally,the existing problems and the future research directions were discussed. |
来源
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遥感技术与应用
,2019,34(2):337-344 【核心库】
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DOI
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10.11873/j.issn.1004-0323.2019.2.0337
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关键词
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物候
;
驱动因子
;
高寒草地
;
青藏高原
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地址
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1.
河海大学公共管理学院, 江苏, 南京, 211100
2.
中国科学院水利部成都山地灾害与环境研究所, 中国科学院山地表生过程与生态调控重点实验室, 四川, 成都, 610041
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语种
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中文 |
文献类型
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研究性论文 |
ISSN
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1004-0323 |
学科
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自动化技术、计算机技术 |
基金
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国家自然科学基金项目
;
国家重点研发计划项目
;
中央高校基本科研业务费专项资金
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文献收藏号
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CSCD:6485218
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