Himalayan Glaciers Climate Change, Water Resources, and Water Security (2012) / Chapter Skim
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1 Introduction
1 Introduction
Pages 7-14
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From page 7... ...
A recent instances there are multiple influences that interact in assessment of glaciers in the region using a combinaways that are difficult to predict. tion of remote sensing and in situ data found different Initially, glacial wasting increases the volumes patterns of glacial retreat within the HKH region (Yao of glacial meltwater in downstream waterways.
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From page 8... ...
this region are retreating at rates comparable to those of accelerated glacial wastage lie with the Medieval in other parts of the world, but are relatively stable, and Warm Period1 that occurred over a thousand years ago. perhaps even advancing, in parts of the western Hima- Neither of these assertions is supported by scientific layas.
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From page 9... ...
Himalayan Glaciers, Hydrology, Climate Change, · What has been the impact of recent climate change on both glacial wastage and streamflow in the 2 Wherever possible, the Committee has attempted to limit its region? projections to the order of three to four decades at most.
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From page 10... ...
ate hydropower and support important ecological values, such as Recognition of the significance of potential impacts of fisheries. The Committee was asked to summarize the current state climate change on glacier-fed streamflow and regional of scientific understanding on questions such as water supplies in the Himalayas led to the commission · How sensitive are the Himalayan glaciers to changes in ing of this study.
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From page 11... ...
The political boundaries of these rivers and associated groundwater constitute in the region are shown in Figure 1.3a. The countries a significant strategic resource for all of Asia, which found in the study area include all or portions of is among the most water stressed regions of the world Afghanistan, Bangladesh, Bhutan, China, India, Nepal, (Smakhtin, 2008)
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From page 13... ...
to indicate that the upstream portion of the river on FIGURE 1.4 Glacier area and percentage of total HKH glaciated area in each of the region's river basins. Only the Indus, Ganges, Brahmaputra, and interior basins of the Tibetan Plateau contain more than 5 percent of the region's glacier area.
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From page 14... ...
Although global temperatures are increasing generally, and these ORGANIZATION OF THE REPORT increases have been more rapid in recent decades, spatial variability and lack of local research data mean This report covers three broad areas of knowledge that the specific manifestations of climate change are about the Himalayan region: (1) physical geography, unclear in the HKH region.
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