Tag: Sea

The Mekong River - survival for millions
The Mekong River - survival for millions Following the course of the Mekong River helps to understand the human/river hydrological interdependence. From its source on the Tibetan Plateau it drops 5,000 metres and flows a...
26 Jan 2009 - by Philippe Rekacewicz
Coastal populations and shoreline degradation
Unsurprisingly, the coastal areas with the greatest population densities are also those with the most shoreline degradation. The areas surrounding the Black Sea, the Mediterranean and southern Asia have the highest prop...
01 Oct 2009 - by Phillippe Rekacewicz, February 2006
Impact of sea level rise in Bangladesh
Impact of sea level rise in Bangladesh. three maps in a time relapse resulting in 18 million people affected, 22,000 km2 of land submerged by flooding.
26 Jan 2009 - by Phillipe Rekacewicz, February 2008
Impact of sea level rise on the Nile delta
Impact of sea level rise on the Nile delta. Sea level elevation model used to produce impact of nile delta sea level rise.
26 Jan 2009 - by Phillipe Rekacewicz, Otto Simonett - February 2008
Global sea-level rise
According to the 2007 IPCC report, global average sea level rise will vary from 18 cm to 59 cm by 2100. The IPCC models did not account for the accelerated melting of ice sheets in Greenland and Antarctica. Some of th...
01 Oct 2010 - by Riccardo Pravettoni, UNEP/GRID-Arendal
Mean annual coastal erosion in arctic Alaska (Beaufort Sea shoreline)
In the Arctic, impacts of climate change will include increased coastal erosion. For Arctic human communities impacts are projected to be mixed, with detrimental impacts expected on infrastructure and traditional ind...
03 Feb 2010 - by Riccardo Pravettoni, UNEP/GRID-Arendal
Arctic ice cover extent
The greatest reduction in Arctic summer sea ice extent since satellite observations began occurred in 2007, with the following two years experiencing the second and third biggest reductions. The Greenland ice sheet i...
03 Feb 2010 - by Riccardo Pravettoni, UNEP/GRID-Arendal
Pressures on the South African coast
Population growth puts pressure on coastal ecosystems. Increased population means growing demand for land for housing and infrastructure, increased use of living resources for food, and more use of available freshwater r...
21 Jun 2011 - by Riccardo Pravettoni, UNEP/GRID-Arendal
Tourism
Sumatran orangutan habitat offers excellent opportunities for tourism, including direct viewing of orangutans and other diverse wildlife, jungle treks and caving, rafting and bathing in rivers and hot springs, and even u...
13 Sep 2011 - by Riccardo Pravettoni, UNEP/GRID-Arendal
Water catchments
Orangutan habitat overlaps the catchments of 44 major rivers in Sumatra, each of which reaches the coast and discharges into the sea. Thus it is very important to guarantee proper functioning of ecosystem services relate...
13 Sep 2011 - by Riccardo Pravettoni, UNEP/GRID-Arendal
Elevation
The Bukit Barisan mountain range that runs down the full length of Sumatra reach altitudes of over 3,000 meters above sea level (m asl), with the highest peaks being Gunung Kerinci in West Sumatra (3,800 m asl) and Gunun...
13 Sep 2011 - by Riccardo Pravettoni, UNEP/GRID-Arendal
Global flyways of the six subspecies of Red Knot
The Red Knot is a migratory shorebird that travels up to 20,000 km twice a year from its breeding grounds on the high Arctic tundra to its southern non-breeding sites. Along with having one of the longest total migrati...
15 Nov 2011 - by Riccardo Pravettoni, UNEP/GRID-Arendal
Red Knot migration along the East Atlantic flyway
Red Knots set off in April with large fat reserves (fuel) from the airport “West Coast National Park” (the Langebaan Lagoon tidal flats in South Africa) to fly 7,000–8,000 km until they reach the tidal flats of Guinea ...
15 Nov 2011 - by Riccardo Pravettoni, UNEP/GRID-Arendal
Leatherback Turtle migration in the Pacific
The Leatherback Turtle is a long-distance migratory sea turtle, travelling between tropical breeding grounds and multiple pelagic and coastal foraging regions located in temperate and tropical waters. There are effecti...
15 Nov 2011 - by Riccardo Pravettoni, UNEP/GRID-Arendal
Yellow Sea, the flyway hub
The East Asian-Australasian flyway for migratory birds
15 Nov 2011 - by Riccardo Pravettoni, UNEP/GRID-Arendal
Nathusius’ Pipistrelle distribution and migration
The tiny Nathusius’ Pipistrelle, weighing only 6–10 grams, travels almost 2000 km from its breeding grounds in north-eastern Europe to its main hibernation areas in south-west Europe. Populations in Russia are thought to...
15 Nov 2011 - by Riccardo Pravettoni, UNEP/GRID-Arendal
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