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Geoguardian presents environmental contents based on satellite images and maps. This web site deals with environmental and related research interests and frequently update with latest environmental contents. Kithsiri Perera - USQ, QLD, Australia, 2005-2015


  Environmental Contents Archive 2006 (selected)  

Australian Bushfire
2006/01/24

Hot summer, lightning, and wind have contributed to ignite bushfires in southeast Australia. Now, disastrous bushfires are raging in Victoria, South Australia, and Western Australia. Three persons killed by fire related incidents and dozens of houses and thousands of hectares of bush (mixed vegetation of forest and grass lands) and farms have destroyed within past few days. Fire fighters are using water-bombing helicopters to contain large firers in Victoria. Today's satellite image shows one of the massive fires in Victoria. About 1/3 of dark vegetation patch is affected by fire, as seen on this Jan. 24th MODIS satellite image. Vegetation patch is about 75km long. By today, most of the fires have considerable controlled with the help of mild wind and high humidity. Weather forecasters expect thunderstorms to Victoria in next few days, which may have contrasting impact by rains to decrease but lightning to ignite fires.

Landslide disaster in the Philippines
2006/02/19

A disastrous landslide occurred in natural disaster prone country, the Philippines. After heavy rains over 500mm hit the area within 10 days, a huge mountain area became a deadly landslide with a mudflow in Leyte Island of the central Philippines. The Guinsaugon village with about 1800 residents, near St. Bernard city, completely buried within a very short time, leaving only few dozens of survivors. When the soft soil layer soaked with rainwater, it slipped over the hard bedrock, creating the deadly muddy soil movement. Experts are partly blaming the deforestation in mountain slopes as one of the reasons apart from the heavy rains. Some argued, excessive amount of rainfall, weak soil structure, and possibly the minor earthquake occurred just before the landslide as the gain. Final toll of the disaster reported as 130 dead and over 900 missing including 240 pupils and teachers of a primary school. After studying all geographical aspects of this disaster, authorities must act to identify landslide vulnerable regions of the Philippines, as heavy rains are causing similar disasters frequently.

Sandstorms in NE China
2006/04/17

Severe sandstorms choked millions of people in Beijing and surrounding area of China. Sand blew in from northeast Mongolia since 16th April and moved over Beijing region by 17th April, causing the severest storm to the region in this year. This latest MODIS satellite image shows the sand layer over Beijing and Bohai Sea. These sand clouds then moved eastward and brought some difficulties to Korean peninsula and Japan. Reports say thousands of people in China faced breathing problems due to the heavy dust came with the storm. Dry climate and poor farming practices in northwest of the country is the main reason for these storms. Chinese government is planting huge green belts to minimize the impact of sandstorms to the capital and other populated areas.

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