Download Mapping Guide Appendix - Watershed Management Division

Table of Contents
TABLE OF CONTENTS ............................................................................................................................................2
I. ACQUIRING DATA................................................................................................................................................4
Data Locations:....................................................................................................................................................4
Required Date: .....................................................................................................................................................4
Data Requirements: .............................................................................................................................................6
SGAT STEP 15:....................................................................................................................................................6
Calculating density: .............................................................................................................................................8
DMS: .................................................................................................................................................................. 11
Export Tables (dbf): ........................................................................................................................................... 11
Vermont Center for Geographical Information VCGI: ...................................................................................... 14
Local RPC:......................................................................................................................................................... 15
The FTP Site: ..................................................................................................................................................... 15
II. GETTING STARTED .......................................................................................................................................... 15
Open a new ArcMap9x project........................................................................................................................... 15
Setting the projection: ........................................................................................................................................ 15
CREATION AND JOINING OF TABLES ........................................................................................................................ 16
Editing: .............................................................................................................................................................. 19
Displaying Unique Data From Within Data Sets: ............................................................................................. 23
IV. MAPS ................................................................................................................................................................... 24
LOCATION MAP ....................................................................................................................................................... 24
HYDROLOGIC ALTERATIONS MAP: .......................................................................................................................... 26
Mapping Stormwater Data: ............................................................................................................................... 27
Mapping Dams and Diversions Data: ............................................................................................................... 29
Mapping Base Data: .......................................................................................................................................... 32
Sample Hydrologic Alterations Map: ................................................................................................................ 33
LAND USE / LAND COVER MAP ............................................................................................................................... 33
Mapping Crop Data: .......................................................................................................................................... 35
Mapping Urban Data: ....................................................................................................................................... 38
Mapping Road Densities: ................................................................................................................................... 40
Mapping Wetlands: ............................................................................................................................................ 42
Mapping Previously Existing Wetlands: ............................................................................................................ 44
Sample Land Use and Land Cover Map: ........................................................................................................... 46
SEDIMENT LOAD INDICATORS MAP ......................................................................................................................... 46
Mapping Erosion and Deposition Features Data: ............................................................................................. 47
Mapping Bank Erosion Data: ............................................................................................................................ 49
Mapping Mass Wasting Sites and Gully Data: .................................................................................................. 49
Mapping Rejuvenating Tributary Data: ............................................................................................................. 51
Sample Sediment Load Indicators Map: ............................................................................................................ 52
E. CHANNEL SLOPE MODIFIERS MAP ...................................................................................................................... 53
MAPPING SLOPE INCREASES .................................................................................................................................... 54
Straightening and Channelization Data: ........................................................................................................... 54
Corridor Planning Map Guidance Appendix
Vermont Agency of Natural
Resources
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5/28/2010