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首页> 外文期刊>Selected Topics in Applied Earth Observations and Remote Sensing, IEEE Journal of >Spatiotemporal Distributions of Cloud Parameters and the Temperature Response Over the Mongolian Plateau During 2006–2015 Based on MODIS Data
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Spatiotemporal Distributions of Cloud Parameters and the Temperature Response Over the Mongolian Plateau During 2006–2015 Based on MODIS Data

机译：基于MODIS数据的2006 - 2015年蒙古高原的时空分布和蒙古高原的温度响应

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摘要

The Mongolian Plateau (MP) has important influences on regional and global climate change. The spatiotemporal variations in the cloud cover and cloud optical thickness of total, high, middle, and low clouds over the MP during the daytime from 2006 to 2015 are analyzed using MODIS level 2 atmospheric data. Results show that the annual average total cloud cover over the MP decreases from the forest area in the northeast to the desert area in the southwest. The total cloud cover over the MP is obviously higher in summer than in other seasons, in which high clouds have a largest proportion, with the substantial total cloud cover changes. The spatial distributions of the high, middle, and low cloud covers over the MP are highly variable. The cooling effect of the cloud net radiative forcing is greater during the daytime in summer than in other seasons, which is likely associated with thick cloud optical thickness or large cloud cover in summer. Combined with the analyses of relationships among cloud cover, cloud optical thickness, cloud radiative forcing, and air temperature, the results show that significantly negative correlations exist between cloud optical thickness and cloud radiative forcing, and between total cloud cover and air temperature in the MP. The decrease in air temperature in summer over the MP during daytime confirm that the increase in the daytime total cloud cover strengthen the cooling effects of clouds and decrease the air temperature, especially in the high-value area with cloud cover distribution over the northeast MP.
机译：蒙古高原（MP）对区域和全球气候变化具有重要影响。使用MODIS级别2大气数据分析了在2006年至2015期间MP的总，高，中间和低云的云盖和云光学厚度的时空变化。结果表明，MP的年平均云覆盖率从东北地区到西南沙漠地区的森林区域减少。夏季的云覆盖总云覆盖率明显高于其他季节，其中高云具有最大比例，具有大量云覆盖变化。在MP上的高，中间和低云盖的空间分布是高度变化的。云净辐射强制的冷却效果在夏季比在其他季节中的白天更大，这可能与夏季厚厚的云光学厚度或大云盖相关联。结合云覆盖，云光学厚度，云辐射强制和空气温度之间的关系分析，结果表明，云光学厚度和云辐射强制之间存在显着负相关，以及MP中的总云盖和空气温度之间。白天夏季空气温度降低确认白天总云覆盖的增加增强了云的冷却效果，并降低了空气温度，特别是在云覆盖在东北MP上分布的高价值区域。

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  • 作者

    Bao Shanhu; Letu Husi; Zhao Chuanfeng; Tana Gegen; Shang Huazhe; Wang Tianxing; Lige Bi; Bao Yuhai; Purevjav Gomboluudev; He Jie; Zhao Jun;

  • 作者单位

    Inner Mongolia Normal Univ Coll Geog Sci Hohhot 010022 Peoples R China;

    Chinese Acad Sci Inst Remote Sensing & Digital Earth RADI Beijing 100094 Peoples R China;

    Beijing Normal Univ State Key Lab Earth Surface Proc & Resource Ecol Beijing 100875 Peoples R China|Beijing Normal Univ Coll Global Change & Earth Syst Sci Beijing 100875 Peoples R China;

    Beijing Normal Univ State Key Lab Earth Surface Proc & Resource Ecol Beijing 100875 Peoples R China|Beijing Normal Univ Coll Global Change & Earth Syst Sci Beijing 100875 Peoples R China;

    Chinese Acad Sci Inst Remote Sensing & Digital Earth RADI Beijing 100094 Peoples R China;

    Chinese Acad Sci Inst Remote Sensing & Digital Earth RADI Beijing 100094 Peoples R China;

    Meteorol Sci Inst Inner Mongolia Hohhot 010051 Peoples R China;

    Inner Mongolia Normal Univ Coll Geog Sci Hohhot 010022 Peoples R China;

    Inst Meteorol Hydrol & Environm Res Div Climate Change & Resource Ulaanbaatar 15160 Mongol Peo Rep;

    Chinese Acad Sci Inst Remote Sensing & Digital Earth RADI Beijing 100094 Peoples R China;

    Northwest Normal Univ Coll Geog & Environm Sci Lanzhou 730070 Gansu Peoples R China;

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  • 原文格式 PDF
  • 正文语种 eng
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  • 关键词

    Air temperature; cloud classification; cloud cover; cloud radiative forcing; Mongolian Plateau (MP);

    机译：空气温度;云分类;云盖;云辐射强迫;蒙古高原（MP）;

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