Most Global Flooding Occurs In July And August

EARTH OBSERVATION

The Observatory provides current information (updated daily) on flooding. It uses satellite technology to help detect such events as they occur. It also archives the obtained cartographic information about flooded lands into the first Global Atlas of Flood Hazard. This on-line atlas records land areas affected by 15 years of flood history, world-wide.

Dartmouth NH (SPX) Jul 07, 2004
Using data gathered over the past 19 years, Dartmouth Flood Observatory (DFO) experts know that most flooding worldwide happens in July and August, and they can point out where and when floods are likely to occur.

"We expect summer floods in what we call monsoonal Asia, which includes most of China, Vietnam, Thailand and parts of India," says G. Robert Brakenridge, a fluvial geomorphologist who is also the founder and director of the DFO.

"There will also probably be flooding in sub-Saharan Africa, around the Gulf of Mexico, in the islands of the Caribbean and in Central America."

Floods occur every year, and according to the DFO, these events are increasing in frequency and intensity. In 2003, there were nearly 300 flood events, and the trend over the past three years forecasts a busy 2004.

Comprehensive data in the DFO's archive make these predictions possible. This archive, the only one like it in the world according to Brakenridge, is a collection of information from satellites, news media and government sources that documents the extent and variety of flooding since 1985.

DFO experts use both radar and optical satellites to detect, map, measure and analyze major floods worldwide to create their interactive catalogue.

In May of this year, for example, the DFO monitored and tracked the deadly flooding on the island of Hispaniola in the Caribbean that impacted the people of Haiti and the Dominican Republic.

The maps generated at Dartmouth clearly illustrated the change in the landscape over the past several years. These maps were also used by the European Space Agency/AlertNet, which works with Reuters to provide relevant satellite imagery to the international humanitarian community.

Brakenridge explains that the DFO currently serves three purposes. He and his colleagues at the observatory detect floods, maintain real time maps of current flooding events, and keep a record of these events over time to learn what areas might be susceptible to flooding.

Soon, he hopes, a fourth will be possible. "I hope that information from the Dartmouth Flood Observatory will be used to assess global climate change. Our global inventory of flooding events should be useful to figure out whether it's getting worse."

Because most of the DFO's data is freely available on the Web, Brakenridge isn't exactly sure how the data is being used, but he gets phone calls and e-mails from people that gives him a hint.

He says the maps and accompanying analysis are routinely accessed by people from NGOs (non-governmental organizations) like relief agencies and church groups, the Federal Emergency Management Agency (FEMA), the U.S. Army Corps of Engineers, agencies affiliated with the United Nations, the U.S. Agency for International Development (USAID), and high school and college students where the DFO is part of the curriculum.

EARTH OBSERVATION

ASRC Aerospace Wins NOAA Spacecraft and Ground Systems Contract

Greenbelt MD (SPX) Jun 22, 2004
ASRC Aerospace Corporation has been awarded the National Oceanic and Atmospheric Administration's (NOAA) Engineering and Mission Operations Support Services (EMOSS) II contract.

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