ENSC 202 – 2004 Phase 1 Introduction Watershed Assessment (ENSC 202) Introduction to Phase 1 Extracted from Vermont ANR Stream Geomorphic Assessment Protocols Handbook - Introduction

ENSC 202 – 2004 Phase 1 Introduction Objectives of Phase 1 Reference stream typing Stream impact rating Provisional stream geomorphic assessment –stream condition –adjustment process –sensitivity

ENSC 202 – 2004 Phase 1 Introduction Things you’ll need Other useful resources…

ENSC 202 – 2004 Phase 1 Introduction Key Resource: Data forms Appendix A

ENSC 202 – 2004 Phase 1 Introduction Maintain a QA record

ENSC 202 – 2004 Phase 1 Introduction Key Resource: Data base Appendix B Instructions Interface

ENSC 202 – 2004 Phase 1 Introduction Components to Phase 1 – Step 1 Draw the watershed boundaries Delineate reach breaks –Valley widths –Valley slope (contours/inch) –Geologic materials –Tributary influences (>10% watershed area) Name the reaches

ENSC 202 – 2004 Phase 1 Introduction Watershed Delineation

ENSC 202 – 2004 Phase 1 Introduction Valley Width criteria

ENSC 202 – 2004 Phase 1 Introduction Valley Slope criteria >5/in 2-5/in <2/in <1/in

ENSC 202 – 2004 Phase 1 Introduction Geology & Tributary criteria Geology: major transitions (NRCS/VTGS) Tributaries: above major inputs

ENSC 202 – 2004 Phase 1 Introduction Reach Naming Conventions M# mainstem reaches M#T#.# major (>10%) tributary.reach of mainstem M#S#.# minor (<10%) tributary.reach of mainstem M#T#.#S#.# minor tributary.reach of a major tributaries to mainstems

ENSC 202 – 2004 Phase 1 Introduction M2S1.1 M2S1.2 M1T2.1 M1T2.2 M1T2.3 M1 M3 M2 M1T1.1 M1T1.2 M1T2.2S1.1 M1T2.2S1.2 We will probably subsample the total number of reaches for the purposes of Phase 2 field work.

ENSC 202 – 2004 Phase 1 Introduction Starting the Database Entry Processes Open, save, and rename the database Enter detailed reach descriptions Record town name Record latitude and longitude The database…