Assam - Ministry of Environment and Forests

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Table 3: Qualitative turbidity ratings Sr. No. Qualitative Turbidity Conditional criteria Hue on False Colour Composite (FCC) 1. Low > +1σ Dark blue/blackish 2. Moderate > -1σ to
Map composition for atlas has been done at district and state level. A standard color scheme has been used for the wetland classes and other layers. The digital files are made at 1:50,000 scale. The hard copy outputs are taken in A3 size. Open water MNDWI NDPI NDVI Useful for wetland boundary extraction/delineation G R NIR Vegetation Open water NDWI NDVI NDPI Useful for wetland vegetation & open water features G R SWIR Dipor Beel, IRS LISS III data, 01 November 2006 High MNDWI MNDWI NDTI Useful for qualitative turbidity delineation Figure 9: Various combinations of the indices/spectral bands used to identify wetland components 15
Page 1 and 2: NATIONAL WETLAND ATLAS: ASSAM Spons
Page 3 and 4: Atlas SAC/RESA/AFEG/NWIA/ATLAS/18/2
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
Page 15 and 16: 1.0 INTRODUCTION It is increasingly
Page 17 and 18: Red Green NIR RED GREEN NIR SWIR Fi
Page 19 and 20: 2.0 NATIONAL WETLAND INVENTORY AND
Page 21 and 22: 3.0 STUDY AREA Assam is one of the
Page 23 and 24: 4.0 DATA USED 4.1 Remote sensing da
Page 25 and 26: October 27, 2006 March 20, 2007 Fig
Page 27: IRS P6 LISS III (pre- and post-mons
Page 31: MAPS AND STATISTICS 17
Page 34 and 35: District-wise wetland area estimate
Page 40: 7.1.1 Kokrajhar Kokrajhar district
Page 48: 7.1.3 Goalpara Goalpara district is
Page 56: 7.1.5 Barpeta The district is situa
Page 64: 7.1.7 Nalbari The district is situa
Page 72: 7.1.9 Marigaon The district is situ
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7.1.11 Sonitpur The district is sit
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7.1.13 Dhemaji The district is situ
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7.1.15 Dibrugarh The district is si
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7.1.17 Jorhat Jorhat district is si
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7.1.19 Karbi Anglong Karbi Anglong
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MAJOR WETLAND TYPES 119
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8.0 MAJOR WETLAND TYPES OF ASSAM Ma
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Sr. No. 1. Wetland Type: River/stre
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A large diversity of aquatic plants
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IMPORTANT WETLANDS OF ASSAM 127
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9.0 IMPORTANT WETLANDS OF ASSAM The
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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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Assam - Ministry of Environment and Forests

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