Karnataka - Ministry of Environment and Forests

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This publication deals with the updated database and status of wetlands, compiled in Atlas format. Increasing concern about how our wetlands are being influenced has led to formulation of a project entitled “National Wetland Inventory and Assessment (NWIA)” to create an updated database of the wetlands of India. The wetlands are categorised under 19 classes and mapped using satellite remote sensing data from Indian Remote Sensing Satellite: IRS P6- LISS III sensor. The results are organised at 1: 50, 000 scales at district, state and topographic map sheet (Survey of India reference) level using Geographic Information System (GIS). This publication is a part of this national work and deals with the wetland status of a particular State/Union Territory of India, through text, statistical tables, satellite images, maps and ground photographs. The atlas comprises wetland information arranged into nine sections. How the NWIA project work has been executed highlighted in the first six sections viz: Introduction, NWIA project, Study area, Data used, Methodology, and Accuracy. This is the first time that high resolution digital remote sensing data has been used to map and decipher the status of the wetlands at national scale. The methodology highlights how the four spectral bands of LISS III data (green, red, near infra red and short wave infra red) have been used to derive various indices and decipher information regarding water spread, turbidity and aquatic vegetation. Since, the aim was to generate a GIS compatible database, details of the standards of database are also highlighted in the methodology. The results and finding are organised in three sections; viz: Maps and Statistics, Major wetland types, and Important Wetlands of the area. The Maps and Statistics are shown for state and district level. It gives details of what type of wetlands exists in the area, how many numbers in each type, their area estimates in hectare. Since, the hydrology of wetlands are influenced by monsoon performance, extent of water spread and their turbidity (qualitative) in wet and dry season (postmonsoon and pre-monsoon period) are also given. Similarly the status of aquatic vegetation (mainly floating and emergent types) in two seasons is also accounted for. Status of small wetlands are also accounted as numbers and depicted in maps as points. Wetland map also show important ancillary information like roads/rail, relevant habitations. False Colour Composite (FCC) of the satellite image used (any one season) is shown along with the derived wetland map to give a feeling of manifestation of wetlands in remote sensing data and synoptic view of the area. The status of some of the important wetlands like Ramsar sites, National Parks are shown with recent field photographs. For further details contact: Director, Space Applications Centre, ISRO, Ambawadi Vistar (P.O.) Ahmedabad – 380 015 director@sac.isro.gov.in
Atlas SAC/EPSA/AFEG/NWIA/ATLAS/30/2010 NATIONAL WETLAND ATLAS KARNATAKA Sponsored by Ministry of Environment and Forests, Government of India As a part of the project on National Wetland Inventory and Assessment (NWIA) Space Applications Centre (ISRO), Ahmedabad And Karnataka State Remote Sensing Applications Centre, (KSRSAC), Bangalore August 2010
Page 1: NATIONAL WETLAND ATLAS: KARNATAKA S
Page 5: MESSAGE It gives me great pleasure
Page 9: ACKNOWLEDGEMENTS The project “Nat
Page 13 and 14: CONTENTS 1.0 INTRODUCTION 1.1 Wetla
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Page 18 and 19: now recognized as an essential tool
Page 20 and 21: 1.3 Wetland Inventory of India Indi
Page 22 and 23: • Aquatic vegetation spread: The
Page 24 and 25: South-Eastern dry zone, South dry z
Page 26 and 27: Figure 5: IRS P6 LISS-III coverage
Page 28 and 29: 5.0 METHODOLOGY The methodology to
Page 30 and 31: The indices were generated using st
Page 32 and 33: 6.0 ACCURACY ASSESSMENT A comprehen
Page 35: MAPS AND STATISTICS 19
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7.1.4 Gulbarga Gulbarga district si
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7.1.6 Raichur The district lies in
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7.1.8 Gadag Gadag district situated
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7.1.10 Uttar Kannada This district
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7.1.12 Bellary Bellary district sit
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7.1.14 Davanagere Davanagere distri
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7.1.16 Udupi Udupi district is situ
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7.1.18 Tumkur The district lies in
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MAJOR WETLAND TYPES 137
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8.0 MAJOR WETLAND TYPES OF KARNATAK
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Sl. No. 1. Description Wetland Type
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Sr. No. 9. Description Wetland Type
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Sl. No. 17. Description Wetland Typ
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IMPORTANT WETLANDS OF KARNATAKA 147
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9.0 IMPORTANT WETLANDS OF KARNATAKA
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Plate 5: Wetland map - 5 km buffer
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Plate 6: IRS LISS-III FCC - 5 km bu
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Plate 9: IRS LISS-III FCC - 5 km bu
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Plate 12: IRS LISS-III FCC - 5 km b
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SOI MAP-SHEET-WISE WETLAND MAPS (Se
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REFERENCES 1. Anon. 2005, NNRMS Sta
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Annexure I Definitions of wetland c
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Annexure - II Details of District i
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Space Applications Centre (SAC) is
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Karnataka - Ministry of Environment and Forests

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