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High resolution DEM generation for complex snow covered Indian Himalayan Region using ADS80 aerial push-broom camera: a first time attemp7
Snow and Avalanche Study Establishment, Defence Research and Development Organization (DRDO), Him Parisar, Sector-37A, Chandigarh, Snow and Avalanche Study Establishment-Research and Development Center (SASE-RDC), Him Parisar, Plot No. 1, Sector 37A, Chandigarh.
Snow and Avalanche Study Establishment, Defence Research and Development Organization (DRDO), Him Parisar, Sector-37A, Chandigarh, Snow and Avalanche Study Establishment-Research and Development Center (SASE-RDC), Him Parisar, Plot No. 1, Sector 37A, Chandigarh.
Snow and Avalanche Study Establishment, Defence Research and Development Organization (DRDO), Him Parisar, Sector-37A, Chandigarh, Motilal Nehru National Institute of Technology (MNNIT), Allahabad.
Snow and Avalanche Study Establishment-Research and Development Center (SASE-RDC), Him Parisar, Plot No. 1, Sector 37A, Chandigarh.ORCID-id: 0000-0002-2502-6384
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2015 (Engelska)Ingår i: Arabian Journal of Geosciences, ISSN 1866-7511, E-ISSN 1866-7538, Vol. 8, nr 3, s. 1-12Artikel i tidskrift (Refereegranskat) Published
Abstract [en]

Updated and Accurate Digital Elevation Model (DEM) of snow covered and glaciated mountainous area is essential for many applications such as avalanche hazard and numerical modelling of mass movements or mapping of terrain changes. The best high resolution terrain product available for Himalayan region is the DEM, with a spatial resolution of 10 m, generated using Cartosat-1 stereo ortho-kit data. Even this spatial resolution is insufficient for many applications like avalanche hazard mapping or forecasting in complex mountainous terrain. This study reports the process of high spatial resolution (1 m) DEM generation for Manali and nearby areas using digital aerial photogrammetric survey data of 40 cm Ground Sampling Distance (GSD), captured through airborne ADS80 push-broom camera for the first time in Indian Himalayas. This DEM was also evaluated with Differential Global Positioning System (DGPS) points for accuracy assessment. The ADS80 DEM gave Root Mean Square Error (RMSE) of ∼<1 m and Linear Error, at 90 % confidence interval (LE 90) of 1.36 m in comparison with the DGPS points.

Ort, förlag, år, upplaga, sidor
2015. Vol. 8, nr 3, s. 1-12
Nationell ämneskategori
Rymd- och flygteknik
Forskningsämne
Atmosfärsvetenskap
Identifikatorer
URN: urn:nbn:se:ltu:diva-15645DOI: 10.1007/s12517-014-1299-9Lokalt ID: f2ef312d-df0b-471f-a16b-46ca0c9a7bbcOAI: oai:DiVA.org:ltu-15645DiVA, id: diva2:988620
Anmärkning
Upprättat; 2015; 20160704 (andbra)Tillgänglig från: 2016-09-29 Skapad: 2016-09-29 Senast uppdaterad: 2017-11-24Bibliografiskt granskad

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