Earth Imaging Journal: Remote Sensing, Satellite Images, Satellite Imagery
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April 29, 2015
Disaster Relief – DLR Provides Aerial Images of Kathmandu

The German Aerospace Center (Deutsches Zentrum für Luft- und Raumfahrt; DLR) Center for Satellite Based Crisis Information (Zentrum für satellitengestützte Kriseninformation; ZKI) is providing relief organisations in Nepal with reference maps of the Kathmandu region. These originate from high-resolution aerial image data from the DLR Institute of Optical Sensor Systems. In the meantime, the International Charter ‘Space and Major Disasters’  has provided satellite images to produce real-time overview images as quickly as possible, as well as enabling a damage assessment to be carried out.

The high-resolution data of Kathmandu was acquired in January 2014 and has now been forwarded by ZKI to the local relief agencies as reference maps. As a result, organisations such as the German Federal Agency for Technical Relief (THW) and the German Red Cross (DRK) have a site plan that shows the infrastructure prior to the earthquake. This enables, for example, the identification of access routes, landing places for helicopters and the determination of the main crisis areas. Such maps are also helpful for orientation in the field, as they give a very detailed view of the city prior to the earthquake. The images were cquired as part of the Mountain Wave project, in which the DLR Institute of Optical Sensor Systems tested the Modular Airborne Camera System(MACS) in the Nepalese Himalayas and above the historic part of Kathmandu.


On 25 April, an earthquake of magnitude 7.8 shook the Himalayas, the epicentre of which was located between the capital city of Kathmandu and Pokhara. The relief workers are already on site, but the provision of aid is proving to be complicated as a result of heavy damage to transport routes, power supplies and communication channels, as well as the continuous aftershocks. The full scale of the effect of the earthquake is not yet known. ZKI is continuing to work on processing additional map material that shows remote areas.

About the ZKI

The Center for Satellite Based Crisis Information (Zentrum für satellitengestützte Kriseninformation; ZKI) is a service operated by DLR German Remote Sensing Data Center (DFD). Its job is to provide a 24/7 service for quickly generating, processing and analysing satellite data in the event of natural and environmental disasters, for humanitarian relief services and for civil security across the world. The products are generated for national and international political decision-makers, situation rooms and aid organisations according to specific needs, and are also made freely available to the general public.

About the International Charter ‘Space and Major Disasters’

The International Charter ‘Space and Major Disasters’ is an international association of space agencies that was established in 1999 by the European Space Agency (ESA) and the French space agency CNES. The association provides national emergency management agencies and relief organisations with data from Earth observation satellites quickly and bureaucracy-free assistance in the event of natural disasters or major technical failures.

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