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No title No title
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03 Feb 2010 - by Riccardo Pravettoni, UNEP/GRID-Arendal
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Small area, big variety in types of Submission (Legend) Small area, big variety in types of Submission (Legend)
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03 Feb 2010 - by Riccardo Pravettoni, UNEP/GRID-Arendal
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Small area, big variety in types of Submission Small area, big variety in types of Submission
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03 Feb 2010 - by Riccardo Pravettoni, UNEP/GRID-Arendal
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Seabed jurisdiction Seabed jurisdiction
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03 Feb 2010 - by Riccardo Pravettoni, UNEP/GRID-Arendal
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Deep underwater, deeper underground Deep underwater, deeper underground
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03 Feb 2010 - by Riccardo Pravettoni, UNEP/GRID-Arendal
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Total area of outer continental shelf by state Total area of outer continental shelf by state
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03 Feb 2010 - by Riccardo Pravettoni, UNEP/GRID-Arendal
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Marittime zones Marittime zones
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03 Feb 2010 - by Riccardo Pravettoni, UNEP/GRID-Arendal
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Status of the convention Status of the convention
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03 Feb 2010 - by Riccardo Pravettoni, Jean-Nicolas Poussart, UNEP/GRID-Arendal
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Relative contribution of outer continental shelf to total area under national jurisdiction Relative contribution of outer continental shelf to total area under national jurisdiction
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03 Feb 2010 - by Riccardo Pravettoni, UNEP/GRID-Arendal
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Ratio of outer continental shelf over emerged land area Ratio of outer continental shelf over emerged land area
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03 Feb 2010 - by Riccardo Pravettoni, UNEP/GRID-Arendal
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Role of geology in Article 76 Role of geology in Article 76
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03 Feb 2010 - by Riccardo Pravettoni, UNEP/GRID-Arendal
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Area of outer continental shelf submitted per continent Area of outer continental shelf submitted per continent
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03 Feb 2010 - by Riccardo Pravettoni, UNEP/GRID-Arendal
4
Glacier Lake Outburst Floods Glacier Lake Outburst Floods
Cumulative frequency graph of GLOFs in Nepal, Bhutan and Tibet. The best-ft line suggests an increase in GLOF frequency through time, although older events may be under-reported. GLOFs also took place in Patagonia, Chile in 2008 and 2009 (Dussaillant et al., 2010)(From Richardson and Reynolds, 2000).
06 Dec 2010 - by Riccardo Pravettoni
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Glacier volume change forecasts Glacier volume change forecasts
Oerlemans et al. (1998) conducted modelling experiments for a sample of 12 glaciers and ice caps, to determine volume changes under a range of temperature and precipitation forcings (Fig. 3). The range of glacier response is very wide, so a key issue is fnding ways to upscale the results of modelling this tiny sample of glaciers to large regions. Figure 2 shows the results of two alternative weighting procedures. Although the absolute values o...
06 Dec 2010 - by Riccardo Pravettoni
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Southern Asia natural disasters between 1975 and 2004 Southern Asia natural disasters between 1975 and 2004
Overview of natural disasters in Asia between 1975 and 2004. Floods account for a very signifcant proportion of the disasters observed.
06 Dec 2010 - by Riccardo Pravettoni
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Glacier cumulative mass balance Glacier cumulative mass balance
Compilation of available data (Fig. 1) shows that most mountain glaciers are losing mass, and that the overall rate of mass loss has increased in the last decade. For the last decade the highest mass loss per unit area has been observed in the European Alps, Patagonia, Alaska, and north-western USA/south-western Canada (Kaser et al., 2006, Lemke et al., 2007, Arendt et al., 2009).
06 Dec 2010 - by Riccardo Pravettoni
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Regional flood vulnerability Regional flood vulnerability
Since Asia comprises a large portion of the World’s popula- tion, and more than 40% of all the foods in the world occur in Asia, a large number of people are affected by disasters (Fig. 14). More than 40% of the people killed by natural di- sasters are killed in Asia (Fig. 15). In the ten-year period from 1999–2008, 402 foods were recorded in Africa, 342 in the Americas, 259 in Europe and 649 in Asia. In the same time period close to 1 bill...
06 Dec 2010 - by Riccardo Pravettoni
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Seasonal patterns of precipitation and runoff Seasonal patterns of precipitation and runoff
The infuence of glaciers on seasonal distribution of river fow is strongly dependent on annual temperature and precipitation cycles, and the proportion of the catchment occupied by glacier ice. Figure 4 compares precipitation and river fow data for heavily and lightly glacierized catchments in the European Alps and Peru. In the European Alps, runoff is greater than precipitation in summer in both heavily and lightly glacierized catchments. This...
06 Dec 2010 - by Riccardo Pravettoni
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Qanat Qanat
A qanat is a water management system used to secure reliable water supply to human settlements or irrigation in semi-arid and arid regions. Probably originating in Persia, the qanat system has been adopted and developed further in large parts of Asia and Europe. Its widespread use is refected in the many names for the system and similar systems; kariz/kahan (Persian), khettara (Morocco), galeria (Spain), falaj (United Arab Emirates and Oman), ...
06 Dec 2010 - by Riccardo Pravettoni
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Glacier recession and expansion in Hindu Kush-Himalayas and Central Asia Glacier recession and expansion in Hindu Kush-Himalayas and Central Asia
Averaged over their entire areas, within the period 1960– 2003 glaciers in Patagonia and Alaska have thinned by ap- proximately 35 m and 25 m, respectively, whereas high mountain glaciers in Asia have thinned by over 10 m. Data for Patagonia and Alaska are computed from glacier surface elevations for dozens of glaciers. In many other high moun- tain environments such as the Himalayas and the high Andes, where data are limited due to bo...
06 Dec 2010 - by Riccardo Pravettoni
3