Contribution of Survey Department of Sri Lanka for Mitigation of Disasters in Sri Lanka K.A.U.N.Kasthuri Deputy Surveyor General (Information Technology) March 2007 The Survey Department of Sri Lanka 1
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Survey Department of Sri Lanka National agency for Surveying & Mapping Leading organization for map publication March 2007 The Survey Department of Sri Lanka 3
Functions of the Survey Department March 2007 The Survey Department of Sri Lanka 4
From 1800-1897 Proclamation From 1897 2002 Survey Ordinance From 04 th October, 2002 Enacted * Survey Act No. 17 of 2002 March 2007 The Survey Department of Sri Lanka 5
To establish & administer the National Geodetic Control Network To regulate all Land Survey activities in Sri Lanka To specify the standards of accuracy for cadastral, geodetic and topographic surveys To be the principal authority responsible for receiving, storing and exchanging in any form of all spatial data March 2007 The Survey Department of Sri Lanka 6
To provide land surveying, land information and related services To receive, store, reproduce and distribute, topographic, cadastral, and derived maps, remote sensed data, aerial photographs and other Land Survey and Mapping documents To ensure the maintenance of high professional standards among persons engaged in land survey activities.etc. March 2007 The Survey Department of Sri Lanka 7
Activities Related To Disaster Mitigation March 2007 The Survey Department of Sri Lanka 8
Activities Related to Disaster Mitigation Supported various national and international organizations by issuing digital spatial data during last tsunami Landslide mapping with NBRO Issuing Spatial data for other agencies for their own disaster mitigation programms( Central Env. Authority, Land Use Policy Planning, UDA etc..) March 2007 The Survey Department of Sri Lanka 9
Activities with the Support of JAXA and AIT 1. Caravan Training in 1999 2. Caravan training in 2003 - with the collaboration of NBRO 3. Caravan training - 2005 December - 2006 June locally * 4. Mini Project - 2005 5. Mini Project 2006 Importantly: Survey department is using the experience gained through Caravan Training to train more users in Sri Lanka March 2007 The Survey Department of Sri Lanka 10
Mini-Project for capacity Development Survey Dept., NBRO, AIT,JAXA March 2007 The Survey Department of Sri Lanka 11
Application of Remote Sensing and GIS Technology for Landslide Hazard Risk Mapping in Sri Lanka. Central Engineering Consultancy Bureau Survey Department March 2007 Survey Department of Sri Lanka 12
Study Area Ratnapura District Sabaragamuwa Province March 2007 The Survey Department of Sri Lanka 13
Results: Landslide Susceptibility Map 145000 150000 155000 160000 165000 170000 175000 180000 185000 N 150000 150000 145000 145000 140000 140000 135000 135000 145000 150000 155000 Legend Landslide Points Landslide Susceptibility NoSusceptibility LowSusceptibility ModeratelySusceptibility HighSusceptibility VeryHigh Susceptibility 160000 165000 170000 175000 180000 185000 5 0 5 Kilometers March 2007 The Survey Department of Sri Lanka 14
Success of the mini project This study proved the vital importance of digital data in the field disaster mitigation Enhance the capability of the Survey Department in supporting of GIS & RS technology for this type of projects Develop the collaboration with NBRO, the landslide mapping agency of Sri Lanka Identify and develop products suitable for disaster management agencies such as NBRO and others March 2007 The Survey Department of Sri Lanka 15
Identification of Flood Risk Areas by Survey Department March 2007 The Survey Department of Sri Lanka 16
Used all Large Scale Maps Used Previous Experiences Identified lands and families in danger Developed communication systems Stocked boats and other durable items Training of villages March 2007 The Survey Department of Sri Lanka 17
Upper water Shed Management Project All Water shed surveyed and demarcated and gazette as protected area Soil protection - Rivet March 2007 The Survey Department of Sri Lanka 18
Sponsored other projects March 2007 The Survey Department of Sri Lanka 19
Digital Asia Node Commissioned in November 2006 Objectives Promoting the use of spatial data for Disaster Mapping Communication with other countries in Asia March 2007 The Survey Department of Sri Lanka 20
Digital Asia Node database (Collaborated with Global Mapping Project) This include the following data in the node server at SD in scale Land use Roads Rivers Administration boundaries and village locations Cities 1:50,000 data Raster format with general classification (sample) March 2007 The Survey Department of Sri Lanka 21
Currently available Database for Sri Lanka - 10k/50kSheet Index - Availability of 10k Data and Data Format - Data Layers and attributes March 2007 The Survey Department of Sri Lanka 22
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Future Collaboration Plans for Disaster Mitigation within Sri Lanka Develop research network to increase the access to multi disciplinary data through Web Mapping Expect to provide free ALOS Satellite Products during a Disaster with the collaboration of Sentinel Asia Project March 2007 The Survey Department of Sri Lanka 25
Future Collaboration Requirements ALOS-PRISM data for high-resolution Digital Terrain Models for flood sensitive and landslide risk areas Cheaper satellite data for monitoring purposes (ALOS-AVNIR and PALSAR) Support for capacity building in satellite data usage and product generation JAXA s collaboration in 2008 ACRS March 2007 The Survey Department of Sri Lanka 26
Survey Department: www.survey_dept.slt.lk March 2007 The Survey Department of Sri Lanka 27