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Download North Fork Shenandoah River Results Application For the State Drought Assessment Plan Jennifer L. Krstolic and Donald C. Hayes

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  • North Fork ShenandoahRiver Results ApplicationFor the State Drought Assessment Plan

    Jennifer L. Krstolic and Donald C. Hayes

  • Virginia Drought Assessment and Response PlanDrought Indicators: Precipitation DeficitsReservoir StorageGround-Water LevelsStreamflow StatisticsRepresentative daily values will be compared with historic Streamflow Statistics for the period of record. http://www.deq.virginia.gov/waterresources/droughttac.html

    EmergencyWarningWatchNormal< 5th percentile5 - 10th percentile10 - 25th percentile> 25th percentile

  • North Fork Low-Flow Statistics For GagesDrought Indicators:Streamflow StatisticsValues represent historic Streamflow Statistics for the period low-flow months: August September & October

    EmergencyWarningWatchNormal< 5th percentile5 - 10th percentile10 - 25th percentile> 25th percentile

    Cootes store< 11 - 1.61.6 - 3.6> 3.6Mt. Jackson< 2222 - 2929 - 43> 43Strasburg< 7575 - 8585 - 160> 160

  • Cootes Store Low-Flow Statistics and Habitat

    Cootes store< 11 - 1.61.6 - 3.6> 3.6

    Chart2

    000000000

    124.18043.129.3950005000050005000

    311.9718.51687.54151.02100001000001000010000

    1714.94701.891322.26422.5620000200008.572000020000

    4251.131989.463140.151928.63000030000456.673000030000

    5575.375872.696029.593592.9935000350001418.613500035000

    8320.477768.696956.565101.22701.03

    10523.918765.378045.946462.283978.31

    14124.3712620.1910598.28682.646768.52

    17088.415373.2212409.6410945.59634.45

    19361.1917307.1713550.8912859.9312470.23

    20807.8820011.3414915.414803.2315380.87

    21553.3521735.6215884.3116242.9618231.41

    22342.4522851.2916375.5117746.7621240.27

    20355.1723325.5516523.5518366.7924198.41

    19001.3524919.2617419.3519446.0127202.16

    17692.6924900.9817506.8719654.333814.05

    16160.8422763.6917210.719844.5140681.94

    14711.0922760.1216932.9320216.1446071.5

    12556.0321244.4116987.4119547.153117.46

    11477.7419615.3716139.0319681.3859230.51

    9093.9916303.611313419450.3670360.95

    3350.2810874.689810.7817648.9588675.77

    2238.88008.327531.817453.894775.42

    1235.274113.265652.1714958.07101531.43

    563.762528.363691.0412670.29104497.23

    272.421053.542260.9810904.41105945.3

    54.48644.561846.118621.61104805.12

    54.48388.611381.77103.33102642.02

    21.79151.48919.196469.04100358.86

    Riffle Guild Habitat Curve

    Fast Generalist Guild Habitat Curve

    Pool Run Guild Habitat Curve

    Pool Cover Guild Habitat Curve

    75%

    90%

    canoeing

    50%

    95%

    FLOWS IN CFS (log scale)

    HABITAT UNITS

    Usable Habitat Area Totals for the Upper North Fork Shenandoah River Reach Represented by the USGS Gaging Station at Cootes Store, Va.

    Cooteschart_PPT figure 90%

    Cootes Store Exceedence flows Aug Sept Oct

    24%75%90%99%95%

    0423.61.60.51

    5000423.61.60.51

    10000423.61.60.51

    20000423.61.60.51

    30000423.61.60.51

    35000423.61.60.51

    COOTES STORE

    Historic DataPercentAug. Sept. Oct. Data

    Flow (mgd)Flow (cfs)ExceedenceFlow (mgd)Flow (cfs)

    114178252742

    10157523.6

    359011.6

    0.50.8990.30.5

    &RPreliminary data, subject to revisionUSGS &D

    Cooteschart_PPT figure 90%

    00000

    124.18043.129.390

    311.9718.51687.54151.020

    1714.94701.891322.26422.568.57

    4251.131989.463140.151928.6456.67

    5575.375872.696029.593592.991418.61

    8320.477768.696956.565101.22701.03

    10523.918765.378045.946462.283978.31

    14124.3712620.1910598.28682.646768.52

    17088.415373.2212409.6410945.59634.45

    19361.1917307.1713550.8912859.9312470.23

    20807.8820011.3414915.414803.2315380.87

    21553.3521735.6215884.3116242.9618231.41

    22342.4522851.2916375.5117746.7621240.27

    20355.1723325.5516523.5518366.7924198.41

    19001.3524919.2617419.3519446.0127202.16

    17692.6924900.9817506.8719654.333814.05

    16160.8422763.6917210.719844.5140681.94

    14711.0922760.1216932.9320216.1446071.5

    12556.0321244.4116987.4119547.153117.46

    11477.7419615.3716139.0319681.3859230.51

    9093.9916303.611313419450.3670360.95

    3350.2810874.689810.7817648.9588675.77

    2238.88008.327531.817453.894775.42

    1235.274113.265652.1714958.07101531.43

    563.762528.363691.0412670.29104497.23

    272.421053.542260.9810904.41105945.3

    54.48644.561846.118621.61104805.12

    54.48388.611381.77103.33102642.02

    21.79151.48919.196469.04100358.86

    Normal Range of flows 3.6 - 42 cfs Aug, Sept, Oct

    Riffle Guild Habitat Curve

    Fast Generalist Guild Habitat Curve

    Pool Run Guild Habitat Curve

    Pool Cover Guild Habitat Curve

    90%

    canoeing

    95%

    FLOWS IN CFS Log Scale

    WUA HABITAT UNITS

    WUA CANOEING

    Weighted Usable Area Totals for the Upper North Fork Shenandoah River Reach Represented by the USGS Gaging Station at Cootes Store, Va.

    cootesGage charts EXCEEDENCE

    Figure 9. Useable habitat area for the upper management section of the North Fork Shenandoah River, Virginia

    {Normal Range of flows is 3.6 - 42 cfs during the months of Aug, Sept, Oct is represented by the gray box}

    Shading shown now illustrates application of the State Drought Assessment and Response Plan

    Cootes Store Exceedence flows Aug Sept Oct

    24%75%90%99%50%

    0423.61.60.5111

    5000423.61.60.5111

    10000423.61.60.5111

    20000423.61.60.5111

    30000423.61.60.5111

    35000423.61.60.5111

    COOTES STORE

    Historic DataPercentAug. Sept. Oct. Data

    Flow (mgd)Flow (cfs)ExceedenceFlow (mgd)Flow (cfs)

    114178252742

    10157523.6

    359011.6

    0.50.8990.30.5

    &RPreliminary data, subject to revisionUSGS &D

    cootesGage charts EXCEEDENCE

    00000

    124.18043.129.390

    311.9718.51687.54151.020

    1714.94701.891322.26422.568.57

    4251.131989.463140.151928.6456.67

    5575.375872.696029.593592.991418.61

    8320.477768.696956.565101.22701.03

    10523.918765.378045.946462.283978.31

    14124.3712620.1910598.28682.646768.52

    17088.415373.2212409.6410945.59634.45

    19361.1917307.1713550.8912859.9312470.23

    20807.8820011.3414915.414803.2315380.87

    21553.3521735.6215884.3116242.9618231.41

    22342.4522851.2916375.5117746.7621240.27

    20355.1723325.5516523.5518366.7924198.41

    19001.3524919.2617419.3519446.0127202.16

    17692.6924900.9817506.8719654.333814.05

    16160.8422763.6917210.719844.5140681.94

    14711.0922760.1216932.9320216.1446071.5

    12556.0321244.4116987.4119547.153117.46

    11477.7419615.3716139.0319681.3859230.51

    9093.9916303.611313419450.3670360.95

    3350.2810874.689810.7817648.9588675.77

    2238.88008.327531.817453.894775.42

    1235.274113.265652.1714958.07101531.43

    563.762528.363691.0412670.29104497.23

    272.421053.542260.9810904.41105945.3

    54.48644.561846.118621.61104805.12

    54.48388.611381.77103.33102642.02

    21.79151.48919.196469.04100358.86

    Riffle Guild Habitat Curve

    Fast Generalist Guild Habitat Curve

    Pool Run Guild Habitat Curve

    Pool Cover Guild Habitat Curve

    75%

    90%

    canoeing

    50%

    95%

    FLOWS IN CFS (log scale)

    HABITAT UNITS

    Usable Habitat Area Totals for the Upper North Fork Shenandoah River Reach Represented by the USGS Gaging Station at Cootes Store, Va.

    scale for canoe

    scale for canoe

    00000

    124.18043.129.390

    311.9718.51687.54151.020

    1714.94701.891322.26422.568.57

    4251.131989.463140.151928.6456.67

    5575.375872.696029.593592.991418.61

    8320.477768.696956.565101.22701.03

    10523.918765.378045.946462.283978.31

    14124.3712620.1910598.28682.646768.52

    17088.415373.2212409.6410945.59634.45

    19361.1917307.1713550.8912859.9312470.23

    20807.8820011.3414915.414803.2315380.87

    21553.3521735.6215884.3116242.9618231.41

    22342.4522851.2916375.5117746.7621240.27

    20355.1723325.5516523.5518366.7924198.41

    19001.3524919.2617419.3519446.0127202.16

    17692.6924900.9817506.8719654.333814.05

    16160.8422763.6917210.719844.5140681.94

    14711.0922760.1216932.9320216.1446071.5

    12556.0321244.4116987.4119547.153117.46

    11477.7419615.3716139.0319681.3859230.51

    9093.9916303.611313419450.3670360.95

    3350.2810874.689810.7817648.9588675.77

    2238.88008.327531.817453.894775.42

    1235.274113.265652.1714958.07101531.43

    563.762528.363691.0412670.29104497.23

    272.421053.542260.9810904.41105945.3

    54.48644.561846.118621.61104805.12

    54.48388.611381.77103.33102642.02

    21.79151.48919.196469.04100358.86

    Riffle Guild Habitat Curve

    Fast Generalist Guild Habitat Curve

    Pool Run Guild Habitat Curve

    Pool Cover Guild Habitat Curve

    canoe

    COOTES STORE FLOWS IN CFS

    WUA HABITAT UNITS

    Weighted Usable Area Totals for the Upper North Fork Shenandoah RiverReach Represented by the USGS Gaging Station at Cootes Store, Va.

    WUA Summary Sheet

    PHABSIM Weighted Usable Area (WUA)WUA with 40% suitable or higher onlywua divided by cootes drainage area

    habitat Information for each fish guild210 miles 2 (not plains mill though

    Cootes Store Management Sectioncould do site drainage areas

    FlowsRiffleFast GeneralistPool RunPool CoverCanoeingRiffleFast GeneralistPool RunPool CoverCanoeing

    0.2000000000000000

    0.5124.18043.129.390000000.591333333300.20523809520.1399523810

    1311.9718.51687.54151.020000001.48557142860.08814285713.2740.71914285710

    21714.94701.891322.26422.568.57789.840517.42008.16638095243.34233333336.29647619052.01219047620.0408095238

    44251.131989.4