SWAT presentation

1
???µµ??e? ?a? ??t?p??µµ????? ???a
?d???????? ???t??? HEC-HMS

• ???ast???? ?d??????a? ?a? ????p???s?? ?dat????
  ?????
• ????? 2008

2
???sµ??-?at?????e? ???t????
???sµ?? ???t???? ? ??apa?a???? t??
S?µpe??f???? ?a? ?p????s?? e??? F?s????
S?st?µat??
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G??st? ???t??a

• ?p?fa?e?a?? ?d??????a
• HEC-HMS, SWAT, WBUDG
• ?p??e?a ?d??????a
• MODFLOW

4

• HEC
• Hydrologic Engineering Center
• http//www.hec.usace.army.mil/
• ???a??sµ?? t?? ??d???? S?µat?? ???a????? t??
  St?at?? p?? ?p??eta? st? ??st?t??t? ?dat????
  ????? t?? ???.
• ??d???? se ??µata ep?fa?e?a??? ?a? ?p??e?a?
  ?d??????a?, ?d?a?????? ??taµ??, ?etaf???? Fe?t??,
  Stat?st???? ?d??????a?, ?????s?? ??a???d??e?s??,
  ?????s?? S?st?µ?t?? ?aµ?e?t????, ?d?????????
  S?ed?asµ??, ??a?e???s?? ?dat???? ????? ?a? ?????
  s??af?? ?e?????? ??t??e?µ????.
• ?p?st????e? ?p??es?e? ?a? e??ast???a pa?????ta?
  te?????? µe??d??? ?a? ep?st?µ????? ?a??d???s? se
  ??µata ?dat???? ?????.
• ???sf??e? st?? ??e??a ?a? a??pt??? ?a? pa???e?
  te????? ß???e?a se s?µa?t??? ???a.
• ?a p?????ta t?? e??as??? t?? e??a? d?a??s?µa st?
  ????? µ?s? t?? ?st?se??da?.

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• HMS
• Hydrologic Modeling System
• http//www.hec.usace.army.mil/software/hec-hms/
• S???e?t??t??? ? ?ata?eµ?µ???, ?eµ???µ????
  ?d????????? Ge????t?? ? S??e???, ????????????.
• S?ed?asµ??? ??a t?? ???s?µ???s? t?? d?ad??as???
  ß?????-ap?????? se ?e???e? ap?????? de?d??t????
  t?p??.
• ?fa?µ??eta? t?s? se µe???e? a???t???? ?e???e? ?s?
  ?a? se µ????? ast???? ? ?µ?ast????.
• ?a ?d????af?µata p?? pa?????ta? ???s?µ?p?????ta?
  ??a µe??te?
• ??a?es?µ?t?ta? ?e???
• ??????s?? p??µµ????
• S??epe??? µe????t???? ast???p???s?? ?e?????
  ap??????
• S?ed?asµ??? ?pe??e???st?? f?a?µ?t??
• S?ed?asµ?? a?t?µet?p?s?? ?atast??f?? ap?
  p??µµ??e?
• ??e???t?s?? pe?????? ?at????s?? p??µµ??a? ?a?
• ??a?e???s?? s?st?µ?t??

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• HMS (2)
• Hydrologic Modeling System
• http//www.hec.usace.army.mil/software/hec-hms/
• ??a µ??t??? ?e????? ?atas?e???eta? µe t?
  d?a????sµ? t?? ?d????????? ?????? se s???st?se?
  ?a? µe ???sµ? ???a??? s??????? se a?t?. ???e
  s???st?sa t?? ?d????????? ?????? a?apa??stata? µe
  ??a µa??µat??? µ??t???
• St?? pe??ss?te?e? pe??pt?se?? e??a? a??et?? ??
  ep?????? t?? ???st? ??a t?? p??s?µ???s? t?? ???e
  s???st?sa?. ? ?????t?s? t?? p?? ?at??????? e??a?
  ap?????a t?? ???s?? t?? f?s???? s?st?µat??, t??
  st???? t?? ?d????????? µe??t?? ?a??? ?a? t??
  ???s?? ?a? eµpe???a? t?? e?e???t?
• ?? p????aµµa pe???aµß??e? µ?a ß?s? ded?µ????,
  d??eta? ded?µ??a e?s?d?? ?a? e???e? ap?te??sµata
  µe ???s? d??f???? e?s?µat?µ???? e??a?e???. ??
  interface ep?t??pe? t?? e????? e?a??a?? a??µesa
  sta d??f??a µ???-efa?µ???? t?? p?????µµat??.

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F?s??? ?e????af? ?e????? ?p??????

• ?? ?p?????sµ?? ?e?????? ap? ta a???t? p??? ta
  ?at??t?
• ??t?µ?s? ?p??e???
• Initial constant (de??t?? f)
• SCS Curve Number
• Gridded SCS Curve Number
• Exponential (e??et??? s????t?s? t?? ??????)
• Green-Ampt.
• ?p?????sµ?? ?p?fa?e?a??? ?p?????? ???ad?a??
  ?d?????f?µa
• Snyder
• SCS
• ?????µe?? ap? t? ???st?
• ?as??? ???
• Recession method (e??et??? µe???µe??)
• Sta?e?? ???
• Linear reservoir method (e?f??t?s? d?????µe???
  ?e??? st? ?dat???e?µa µe d?at???s? µ??a?

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F?s??? ?e????af? ?e????? ?p?????? (2)

• ?????pt?s?
• ?a?at???µ??a ?et????µµata Sta?µ?? ??a ???e
  ?p??e????
• ?p?d?s? ?a??? st??? Sta?µ??? (Thiessen, Id) ??a
  ???e ?e????
• ?p?d?s? t?µ?? se ???e st???e?? t?? ?a???ß??
  (gridded method). ?pa?t???ta? ß????µet????
  ded?µ??a ap? radar
• S???et??? ?et????µµata µe ß?s? stat?st????
  µe??d?????e?
• ????t??? ??atµ?s?d?ap??? se S??e?? ???s?µ???s?
• ????d?? Priestley Taylor µe e?s?µ?t?s? f?t????
  s??te?est?
• ????d?? gridded Priestley Taylor
• ?d???????? ???s?µ???s?
• ?a????sµ?? ?µe??µ???a? ?a? ??a? ??a???? ?a? ?????
  epe?s?d???, ?a??? ?a? ???????? d?ast?µat??
  ?p?????sµ??
• ? e?t??es? t?? p?????µµat?? ???eta? µe s??d?asµ?
  t?? µ??t???? ?e?????, t?? µete?????????? µ??t????
  ?a? ?a????sµ??? e?????? ap? t? ???st?
• ?a????sµ?? ?a?aµ?t???
• ????µ?? ße?t?st?p???s?? pa?aµ?t??? ??a ep?t???
  p??s?µ???s?. ???f??e? a?t??e?µe????? s??a?t?se??
  e?s?µat????ta? ??a t?? a???????s? t?? ep?t???a?
  p??sa?µ???? t?? p??s?µ???µ???? sta pa?at???µ??a
  ded?µ??a.

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?p?fa?e?a?? ?p?????

• ????d?? t?? SCS
• ????µ?? ?aµp???? CN
• ??a?t?ta? ap?
• ?daf??? ??ape?at?t?ta
• ?daf???????
• S?????e? ???as?a?
• SCS Soil Conservation Service
• S max ?ata???t?s? ed?f???
• Qsurf ep?fa?e?a?? ap?????
• Rday ß????pt?s?

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????µ?? ?aµp???? CN
?at?????a ed?f??? ?at?????a ed?f??? ?at?????a ed?f??? ?at?????a ed?f???
???s? ??? ?d???????? ?at?stas? A B C D
?a??????e?e? Ft??? 72 81 88 91
??t??a 67 76 83 86
?a?? 62 71 78 81
??s??t?p?? Ft??? 68 79 86 89
??t??a 49 69 79 84
?a?? 39 61 74 80
??s?? Ft??? 45 66 77 83
??t??a 36 60 73 79
?a?? 25 55 70 77
???µ?? (??µa) - 72 82 87 89
???µ?? (s????? ep?f??e?a) - 74 84 90 92
??s? CN ?e????? ?s?µ?ß?? CN 0.1683 0.2679
0.5873 76?? s??te?est?? d??????? ta p?s?st?
t?? ???se?? ??? st? ?e????, e?? ep????t??a? ta CN
??a t?p? ed?f??? C (f??s???) ?a? ??a µ?t??a
?d???????? ?at?stas?
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S??des? ???t???? HMS µe SG? HEC-GeoHMS
(Geospatial Hydrologic Modelling
System) http//www.hec.usace.army.mil/software/hec
-geohms/index.html

• ???a?e?? Ge???af???? S?st?µ?t?? ?????f????? p??
  a???p??e? t?p???af??? ded?µ??a ?a? ?e?µet??????
  a??????µ??? ??a t? s??µat?sµ? t?? ?e?????
  ap??????
• ?a??t? ????sµ???? s?µßat? µe t? ArcView p??
  p??et??µ??e? ta ded?µ??a e?s?d?? ??a t?
  µ??te??p???s? µe t? HEC -HMS
• ?????s? ??f?a??? ???t???? ?d?f??? ?p?????sµ??
  Ge?µet????? St???e??? ?e????? (µ???
  ?dat??e?µ?t??, ???se?? ??p).
• ?a ???a t?? ?e????? ?a? ? s??µat?sµ?? t??
  ?d????af???? d??t??? µetat??p??ta? se ??a s?st?µa
  ?d????????? ded?µ???? p?? a?apa??st? t?? ap????s?
  t?? ?e????? st? ß????pt?s?
• ?a???e? ??a ????????µ??? pe??ß????? e??as?a? GIS
  µe e??a?e?a ???µp?? menus
• ?p?t??pe? st? ???st? ?a ???se? ta s?µe?a
  µet??t???? sta?µ?? ?d?a?????? ?atas?e??? ? ?????
  s?µe??? e??????.
• ?a ap?te??sµata e?s????ta? st? HEC-HMS ??a t??
  te???? p??s?µ???s?

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St?d?a ???te??p???s??

• ?pe?e??as?a ?ed?µ???? ??s?d?? (?a?t??, ???µat????
  ?????se???? ?.?.p.)
• S??µat?p???s? ?e????? ?p?????? (watershed
  delineation) st? HEC-GeoHMS
• S?µp????s? ?a?aµ?t??? ???e??? ??????µµat??
  HEC-HMS (parameterization)
• ??t??es? (run)
• ???µ?s? (calibration). ?etaß??? pa?aµ?t??? t??
  µ??t???? µe s??p? t? s?????s? p??s?µ???µ???? ?a?
  pa?at???µ???? p??µµ?????af?µ?t??.
• ?pa???e?s? (validation). S?????s? e???
  a?e???t?t?? set p??µµ?????af?µ?t?? µe ta
  a?t?st???a t?? µ??t???? ????? pe?a?t??? µetaß???
  t?? pa?aµ?t???.
• ????????s? (verification). ??e?e???s? t??
  te?????? p?? a??????e?ta? ap? t?? ??d??a t??
  p?????µµat?? ??a t?? µetaß???? a?t?? ?ste ?a
  ep?ßeßa???e? ?t? p????pt??? µe a???p?st?a -
  ?p?f??? ?a??asµ???? p??sa?µ???? t?? µ??t????
  st?? p?a?µat???t?ta.

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?d???????? ?e???? ???????
?pe????
?s?µ?ß?
?e????? ?e??t?? ?p??e???? ?s?µ?ß??

• ???t???a ?p??????
• St? ?dat??? d?aµ???sµa t?? ?pe???? s?µßa?????
  ??t??a µete????????? ?a? ?d???????? fa???µe?a
• ????t?ta d?a??s?µ?? ded?µ???? (ß????pt?se??,
  sta?µ???af?µata, ?aµp??e? st??µ??-pa?????)

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?p??e???? ?s?µ?ß??

• ?p?te?e? t? a???t? tµ?µa t?? ?e????? t?? ???????
• ? µ?s? et?s?a ß????pt?s? e??a? 1800 mm
• ??e? ??tas? 640 km2 µe µetaß??? ???µ?t???
  3522279m, e?? t? µ?s? ???µet?? e??a? 1021m
• ?? µ???? p?taµ?? e??a? 40 km µe µ?s? et?s?a
  pa???? 18 m3/s (1965-2003)
• ?a ??t??a epe?s?d?a ß????? se s??d?asµ? µe ta
  ad?ap??ata ed?f? ?a? t?? µe???e? ???se??
  p???a???? s?µa?t???? pa????? st? ??s? ?s?µ?ß?
  ?at? t? d????e?a t?? ?t???.

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?????? ?ed?µ??a
???t?? ???se?? G??
??s??t?p?? 168 km2 26?a???e???s?µ? ?? 102
km2 16 ??s? 369 km2 58Urban 0,7 km2
0,1
16
?????? ?ed?µ??a (2)
Ge???????? ???t??
?????ß?a 8 km2 1?f??????? 5 km2
1F??s??? 518 km2 81,5 ?sßest?????? 77
km2 12?????e?? pet??µata 4 km2 0,5
?e?at?????? 28 km2 4
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?????µet???? p????f???a

• ?pa?t???ta? ???a?a ? ?a? a?a??t???te?a (µ????
  10?epta) ded?µ??a ß?????
• ??? ß???????f?? st? ?e???? (??at????? ?a? ?????
  ?e??st???) µe ded?µ??a se ???a?? ??????? ß?µa
• ?? µet??µ??e? pa????? st?? ???d? (?s?µ?ß?) e??a?
  ep?s?? d?a??s?µe? se ???a?a ß?s?

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St????

• ?p?t???? p??s?µ???s? ep??e?µ????
  p??µµ?????af?µ?t?? st? ??s? ?s?µ?ß?
• ??a?????s? t?? ?a??te?a p??sa?µ???µe???
  ?d????????? µe??d?? ??a ta d??f??a µ??? t??
  p??s?µ???s??
• S?µpe??sµata ??a t? ?d???????? ?a?est?? st?
  ?e???? (a?????? ap??e?e?, ep?fa?e?a?? ap?????,
  ßas??? ??? ?.?.p.) st?? ???? ?a? ???? pe???d?
• S?????s? ?d??µe???? ?a? ?µ??ata?eµ?µ???? ???t????

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S?????s? ?d??µe???? ?a? ?µ??ata?eµ?µ????
???t???? ?e????? ?s?µ?ß??
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S???? ???ß??µata ?fa?µ???? t?? ???t???? HMS se
????????? ?e???e?

• ???a ?ed?µ??a ?a?at???se?? st? ???? ?a? st? ?????
• ?a??? ????t?ta? ?ed?µ??a (???????af?µataSta?µ???a
  f?µata)
• S?ed?? ad??at? ? efa?µ??? t?? se ?ata?eµ?µ???
  µ??f? (???e??? ded?µ???? ß????? ap? radar)
• ?p?t??esµa ??sa???? ?e????? ?ßeßa??t?ta? st?
  ???te??p???s?

21
???ß??µata st?? ?p???d???p???s? t?? ??????
22
Se????a - ??e??a

• ???a?? st? ???s? G??
• ???a??? st? ??d?? F?t????????
• ???a?? st?? ??a?t???? ??a?e???s?? t?? G??
• ?st???p???s?
• ?p?d?s?s?
• ?????p??e?e?? ?a?eµß?se?? ?atas?e???

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???t???a ?p?????? ???t????

• S??p?? ?atas?e???
• ?p?st?µ????? ??????t?ta ?a?e????
• ?????? ?????s? ??a???t?p???s?
• ??????? ?????s? (???a??, ?µe??s??, µ???a??
  ?.t.?.)
• ?pa?t?se?? se ?ed?µ??a
• ??a??t?te? ???st??
• ??st?? ?fa?µ????
• ??a??t?ta st?? ???pt??? Se?a????
• ?ata?????t?ta a?? e???te?? pe?????