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首页> 外文期刊>IEEE Geoscience and Remote Sensing Letters >Increasing Water Levels of Global Lakes Between 2003 and 2009
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Increasing Water Levels of Global Lakes Between 2003 and 2009

机译：2003年至2009年之间的全球湖泊水平增加

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摘要

As an essential indicator of climatic and environmental change, water levels of lakes are sensitive to various natural factors and anthropogenic activities from local to global scales. Understanding the global lake water level change can help to uncover the earth's water resource change and its response to the potential drivers. To date, most studies on lake water level changes were performed at local and regional scales. However, comprehensive information on the magnitude of lake water level changes at a global scale remains poorly understood. Here, with the help of the lake polygons from the global lakes and wetlands database (GLWD) at a global scale, we analyzed all available Ice, Cloud, and Land Elevation Satellite (ICESat) data to estimate the change in water levels of 14 981 lakes with areas greater than 0.1 km2 and reservoirs with storage capacities greater than 0.5 km3 around the world. We found global lakes exhibiting a significant spatial heterogeneity with 58.68% increase and 41.32% decrease in water levels during 2003 and 2009. The average change rate of global lake levels is 0.013 m/yr. We discovered an obvious and broad lake level increase in North America and Siberia region, Tibetan Plateau, and the Amazon basin. Our results provide detailed satellite-based evidence of the global increase in lake levels. In the future, more works should be conducted to estimate the lake level change at a longer temporal scale using multi-source satellite data and investigate the potential drivers under the climate warming and growing human footprint.
机译：作为气候和环境变化的基本指标，水平湖泊对来自当地到全球范围的各种自然因素和人为活动敏感。了解全球湖水水平变化可以帮助揭示地球的水资源变化及其对潜在司机的响应。迄今为止，大多数关于湖水水平变化的研究都在当地和区域尺度进行。然而，全球范围内湖水水平变化的全面信息仍然不知情。在这里，在全球范围内的来自全球湖泊和湿地数据库（GLWD）的湖泊多边形的帮助下，我们分析了所有可用的冰，云和陆地海拔卫星（ICESAT）数据，以估算水平的变化为14 981湖泊与大于0.1平方公里的地区，储存能力大于全球大于0.5 km3。我们发现全球湖泊表现出显着的空间异质性，增加了58.68％，2003年和2009年的水平降低了41.32％。全球湖泊水平的平均变化率为0.013米/年。我们发现了北美和西伯利亚地区，西藏高原和亚马逊盆地的明显和宽阔的湖面。我们的结果提供了详细的卫星基于卫星的证据，即全球湖泊水平增加。在未来，应使用多源卫星数据以更长的时间量表估计更多的作品，并在气候变暖下调查潜在的司机，增长人类足迹。

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  • 来源
    《IEEE Geoscience and Remote Sensing Letters》 |2020年第2期|187-191|共5页
  • 作者

    Ma Yue; Xu Nan; Zhang Wenhao; Wang Xiao Hua; Sun Jinyan; Feng Xuejiao; Sun Yu;

  • 作者单位

    Wuhan Univ Sch Elect Informat Wuhan 430072 Peoples R China|Univ New South Wales Sch Sci Canberra BC 2610 Australia|Univ New South Wales Sino Australian Res Ctr Coastal Management Canberra BC 2610 Australia;

    Tsinghua Univ Dept Earth Syst Sci Minist Educ Key Lab Earth Syst Modeling Beijing 100084 Peoples R China;

    Wuhan Univ Sch Elect Informat Wuhan 430072 Peoples R China;

    Univ New South Wales Sch Sci Canberra BC 2610 Australia|Univ New South Wales Sino Australian Res Ctr Coastal Management Canberra BC 2610 Australia;

    Anhui & Huaihe River Inst Hydraul Res Anhui Prov Key Lab Water Conservancy & Water Reso Hefei 230088 Peoples R China;

    Univ Pittsburgh Dept Geol & Environm Sci Pittsburgh PA 15260 USA;

    Hohai Univ Coll Hydrol & Water Resources Nanjing 210098 Peoples R China;

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  • 原文格式 PDF
  • 正文语种 eng
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  • 关键词

    Global; lakes; Ice; Cloud; Land Elevation Satellite (ICESat); water level; water resource;

    机译：全球;湖泊;冰;云;陆海拔卫星（ICESAT）;水位;水资源;

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