The International Charter is scripted to create a unified system of space data acquisition and delivery to those affected by natural or human-made disasters. An authorized user of the charter agreement can now contact a single confidential point to request use of satellite and ground capabilities in post-disaster assessments.

Following a UNISPACE III conference held in Vienna, Austria back in July 1999 -- and kick-started by the European and French space agencies -- a "Charter On Cooperation To Achieve The Coordinated Use Of Space Facilities In The Event Of Natural Or Technological Disasters" has been established.

The Canadian Space Agency signed the Charter in 2000, followed by the U.S. National Oceanic and Atmospheric Administration in 2001. The Indian Space Research Organization also became a member of the Charter.

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The Argentine Space Agency joined in July 2003, with the Japan Aerospace Exploration Agency becoming a member earlier this year.

To help in handling the aftermath of Hurricane Katrina, the U.S. Geological Survey has requested aide via the Charter to help assess stricken areas of Louisiana, Mississippi, and Alabama.

The Charter has been activated numbers of times over the years, Gabrynowicz noted. "What has happened this time is that it was activated when Katrina went over Florida. This is the first time that the United States is the recipient of the benefit of this Charter," she added.

Gabrynowicz said one criticism of the Charter is that it requires the disaster to have already taken place. "You can’t activate the Charter in advance of the disaster…which is understandable for earthquakes. But it might make sense to modify it in certain circumstances to allow pre-disaster activation," she said.

The Charter "does make a difference," Gabrynowicz suggested. Satellite-gleaned data is accessible more quickly, she said, and those hit by a disaster can have access to some systems that were previously not available.

Commercial high-resolution remote sensing satellite operators – Digital Globe of Longmont, Colorado and Space Imaging of Thornton, Colorado – have been busy targeting the zones of demolition left by Hurricane Katrina.

DigitalGlobe is putting all available resources in collecting processing and disseminating satellite imagery of the gulf coast, said Chuck Herring as Director of Marketing Communications for the company.

"We are working with individuals, organizations, government agencies at all levels so that they can get updated imagery. Everyone in the region and around the world wants to get updated imagery to understand the magnitude of damage in the gulf coast area," Herring said.

One of the key satellites being utilized is Ikonos, a private Earth imaging spacecraft operated by Space Imaging.

The remote sensing satellite has already snapped dozens of images of the hurricane ravaged areas, said Gary Napier, a spokesman for Space Imaging. "We’ve completely cleared the decks," he said, with the firm putting Ikonos on a large and aggressive image-taking schedule since the hurricane landed.

NGA is buying Ikonos imagery and is also helping Space Imaging to prioritize what the satellite should photograph from high above Earth, based on the spacecraft’s over-flight of hard-hit areas.

In addition to real-time imagery, Space Imaging is diving into its large archive of remote sensing images -- upwards of 1.7 million pictures obtained by Ikonos around the globe -- Napier pointed out, and culling out photos taken of areas prior to Hurricane Katrina’s landfall.

"NGA is one of our primary customers. We are talking with FEMA about providing services such as developing change detection maps and doing image analysis," Napier told SPACE.com.

By comparing pre- and post-hurricane pictures of a targeted area, change detection products can be created, Napier said. Those products are invaluable to emergency teams and responding agencies that are dealing with the crisis.

The capacity to satellite image and disseminate those photos electronically -- as well as transform pictures into value-added products using new mapping tools – can help better understand the level of disarray resulting from a ruinous event like Hurricane Katrina, as well as plot out correction actions.

"That capability wasn’t available just five years ago," Napier said.

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