Activities with the Great Lakes Online Watershed Interface...Severity Map (Severity Map (Duck Lake...

Activities with the Great Activities with the Great Lakes Online Watershed Lakes Online Watershed

InterfaceInterfaceInterfaceInterface

Bill Elliot, USDA Forest ServiceDennis Flanagan & Jim Frankenberger, Agric. Res Service

and Mariana Dobre, Univ. of ID

1

Pedigree of the Great Lakes Great Lakes (GL) Online Interface(GL) Online Interface(GL) Online Interface(GL) Online Interface

WEPP Watershed

Open Source GIS

Web ServerWatershed GIS

(Map Serve)Server

Software

GL Interface

2

Attributes of the Great Lakes Great Lakes (GL) Online Interface(GL) Online Interface(GL) Online Interface(GL) Online Interface

Accesses USGS online databases for– Seamless 30-m DEMSeamless 30 m DEM– Land Cover

3


Accesses USGS online databases for– Seamless 30-m DEM– Land Cover

Accesses NRCS online databases for– SSURGO soil database– PRISM 800-m monthly climate datay

4


Accesses USGS online databases for– Seamless 30-m DEM

L d C– Land Cover

Accesses NRCS online databases forSSURGO soil database– SSURGO soil database

– PRISM 800-m monthly climate data

Uses WEPP Uses WEPP– Climate Station database (2600 stations)

F t S il d t b– Forest Soils database

5

Watershed in the Great Lakes Great Lakes (GL) Online Interface(GL) Online Interface(GL) Online Interface(GL) Online Interface

6

Outputs from the Great Lakes Great Lakes (GL) Online Interface(GL) Online Interface(GL) Online Interface(GL) Online Interface

A l ff i dAverage annual runoff, erosion and sediment delivery– From 5-20 acre hillslope polygons– From channel segments within the streamFrom channel segments within the stream

networkFor watershed up to about 2 sq mi– For watershed up to about 2 sq mi.

7

Average annual runoff, erosion and sediment deliveryand sediment delivery

WATERSHED SUMMARYWATERSHED SUMMARY

Hillslope IDs Landuse Soil Runoff

VolumeSoil Loss

Sediment Yield Area

Mapped Soil Loss

Sediment YieldLoss

WEPP (Majority) (Majority) (in) (ton/yr) (ton/yr) (Acre) (ton/Acre/yr) (ton/Acre/yr)

1 Grasslands/Herbaceous

Rubicon sand, 0 to 6 percent slopes 1.41 0 0 1 0 0

2 Evergreen Rubicon sand, 0 to 1 47 0 0 1 2 0 02 gForest 6 percent slopes 1.47 0 0 1.2 0 0

3 Evergreen Forest

Rubicon sand, 0 to 6 percent slopes 1.37 0 0 20 0 0

8

4 Evergreen Forest

Rubicon sand, 0 to 6 percent slopes 1.36 0 0 11.9 0 0


Average annual runoff, erosion and sediment deliveryy– From 5-20 acre hillslope polygons– From channel segments within stream networkFrom channel segments within stream network

Return period analysis for daily i it ti ff k fl dprecipitation runoff, peak flow and

sediment delivery

9

Return Period AnalysesReturn Period Analyses

R t P i d f PEAK RUNOFF i E t b E t O t tReturn Period of PEAK RUNOFF in Event by Event Output

Recur. Interval Day Month Year Precipi Runoff Peak Sediment

Yielde a e d

years (in) (in) (ft3/s) (ton/ac)

2 21 4 11 0 185 0 413 77 2 0 001432 21 4 11 0.185 0.413 77.2 0.00143

5 16 4 7 0 0.779 137 0.0124

10 4 5 4 0 1.1 186 0.124

Note the peak flows are from snowmelt!

10

Note the peak flows are from snowmelt!


Average annual runoff, erosion and sediment g ,delivery– From 5-20 acre hillslope polygons– From channel segments within stream network

Return period analysis for daily precipitation runoff, peak flow and sediment delivery

Hillslope lengths and steepnesses for running online FSWEPP Erosion toolsrunning online FSWEPP Erosion tools

11

Hill slope lengths and steepnessessteepnesses

WATERSHED SUMMARY HILLSLOPEHillslope IDs Area Length Slopes

WEPP (Acre) (ft) (top) (middle) (bottom)

1 0.9 39 0.0063 0.00632 1.3 59 0.0035 0.00523 20 423 0 012 0 0088 0 00233 20 423 0.012 0.0088 0.00234 11.8 250 0.0096 0.003 0.00115 10 646 0.0024 0.0032 0.0016 13.8 984 0.012 0.0084 0.0017 2.9 219 0.0047 0.0018 9 6 324 0 0091 0 0083 0 008

12

8 9.6 324 0.0091 0.0083 0.008


Average annual runoff, erosion and sediment deliveryg y– From 5-20 acre hillslope polygons– From channel segments within stream network

R t i d l i f d il i it ti Return period analysis for daily precipitation runoff, peak flow and sediment deliveryHill l l th d t f Hill slope lengths and steepnesses for running online FSWEPP Erosion tools

Subwatershed properties for running curve number peak flow toolsp

13

Subwatershed PropertiesSubwatershed Properties

A ( ) 254Area (acre): 254

Longest Flowpath (ft): 7028.35

Longest Flowpath Slope (ft/ft): 0.01

14

Offspring of the GL InterfaceOffspring of the GL Interface

GL Interface

Burned Area EmergencyEmergency

Rehab

15

BAER Interface with Burn Severity Map (Duck Lake FireDuck Lake Fire)Severity Map (Duck Lake FireDuck Lake Fire)

16

Hillslope Erosion After FireHillslope Erosion After Fire

WATERSHED SUMMARY (watershed method, off-site assesment)

Hillslope IDs Landuse Runoff Volume Soil Loss Sediment Yield Area Mapped

Soil LossSediment Yield

(Majority) (m^3/year) (tonne/year) (tonne/year) (ha) (tonne/ha/year)

(tonne/ha/year)

1 Unburned 2471.1 0.1 0.1 1.5 0 02 Unburned 411.5 0 0 0.4 0 03 High_Burn_Severity 24450 2.8 2.8 7.9 0.4 0.44 Unburned 23795 2 1 1 1 1 7 2 0 2 0 24 Unburned 23795.2 1.1 1.1 7.2 0.2 0.25 Mod_Burn_Severity 14259.8 1 1 4.1 0.2 0.2

English Units are coming

17

Post Fire Return Period AnalysesPost Fire Return Period Analyses

Return Period of PEAK RUNOFF in Event by Event Output Recurr Day Month Year Precip Runoff Peak SedInterval Day Month Year Precip Runoff Peak Yieldyears (mm) (m3) (m3/s) (kg)2 5 9 16 56.6 48000 9.45 180005 17 4 22 8 71300 13.5 569010 20 4 18 29.1 86100 16 11200

10-yr runoff up from 186 to 565 cfsFrom rain on snow, not snowmelt

18


GL Interface

FS Road Network

19Road erosion plot in Fort Benning,GA

Road Network InterfaceRoad Network Interface

20

Results of Online Watershed Road RunRoad Run

Road Segments (simulated as independent hillslopes)Road Segments (simulated as independent hillslopes)

RoadID

SegmentID

SurfaceType

Length(ft)

Width(ft)

Road Area(A)

Average Slope(%)

Flows To Runoff(in)

Soil Loss(ton/year)

Sediment Yield(ton/yr)

6921 1 Road - Light Duty - Gravel 1414.0 16.4 0.53 7.7 Channel 0.2 0.0 0.0


5019 1 T il 2460 6 16 4 0 93 9 5 Hill l 4 1 71 8 71 85019 1 Trail 2460.6 16.4 0.93 9.5 Hillslope 4.1 71.8 71.8

7667 1 Road - Light Duty - Gravel 1804.5 16.4 0.68 4 Channel 0.2 0.0 0.0

7667 2 Road - Light Duty - Gravel 1663.4 16.4 0.63 7.3 Hillslope 0.2 0.0 0.0Duty Gravel

7449 1 Road - Light Duty - Gravel 78.7 16.4 0.03 8.1 Hillslope 0.3 0.0 0.0

4619 1 Trail 1138.5 16.4 0.43 18 Hillslope 5.9 50.0 50.05121 1 Trail 708.7 16.4 0.27 15.9 Hillslope 6 21.2 21.2

21

p



GL Interface

Reclaimed Mine GIS

22

Reclaimed Mine Interface AttributesAttributes

Users import the reclaimed topographic surface DEM

Database for structures was reviewed and revisedrevised– Sediment basins

Silt Fences in channels– Silt Fences in channels– Straw Bales in channels

23


GL Interface

Tahoe Basin

24

Attributes of Tahoe Basin Watershed ToolWatershed Tool

Inputs – 10-m DEM– Local soils map and SNOTEL

weather stations

Outputs–– Phosphorus loadPhosphorus loadPhosphorus loadPhosphorus load–– Fine sediment yieldFine sediment yield

25

Offsprings of the GL InterfaceOffsprings of the GL Interface

GL Interface

FS Road NetworkReclaimed Tahoe Basin

BAER Interface

Mine GISInterface

26

Server ActivitiesServer Activities Great Lakes Server moved to the University Great Lakes Server moved to the University

of Idaho where post doc funded by the Tahoe Project manages itTahoe Project manages it– BAER interface on Great Lakes Server

R d i t f i l ARS t Roads interface is only on ARS server at Purdue

Tahoe interface in on U of ID College of Ag server

27

Activities in the Coming YearActivities in the Coming Year

Develop the phosphorus and fine sediment features in the Tahoe Interface

Improve the BAER InterfaceAdd English units and watershed properties– Add English units and watershed properties

Evaluate Road Interface and move to GL server at Univ of IDserver at Univ of ID– Add road layer for Great Lakes Basin

28

SummarySummary

Great Lakes interface is starting to be used for erosion management, flood flow and g ,topographic support

29

SummarySummary

G t L k i t f i t ti t b d f Great Lakes interface is starting to be used for erosion managment, flood flow and topographic supportsupport

New interfaces are under development building on the programming principlesbuilding on the programming principles developed for the GL interface

BAER d N t k S t– BAER and Network Support– Surface Mine Reclamation

Ph h d fi di t d li– Phosphorus and fine sediment modeling

30

Q ti & C t ?Questions & Comments?http://cals-wepponlinegis.ag.uidaho.edu/gl

31

http://cals wepponlinegis.ag.uidaho.edu/gl

Date post:	30-Dec-2020
Category:	Documents
Upload:	others
View:	5 times
Download:	0 times

Activities with the Great Lakes Online Watershed Interface...Severity Map (Severity Map (Duck Lake...

Documents