IOWA BMP MAPPING PROJE CT Ag ric ulture Wa te r Qua lity Pa rtne - - PowerPoint PPT Presentation

IOWA BMP MAPPING PROJE CT

Ag ric ulture Wa te r Qua lity Pa rtne rship F

• rum

Ma rc h 12, 2018 T re vo r Sa mple

E F F ORT S T O IMPROVE T RACKING OF ST RUCT URAL PRACT ICE S

 Collabor

ative pr

• je c t

 Iowa State Unive r

sity

 Iowa De pt. of Natur

al Re sour c e s

 Iowa Nutr

ie nt Re se ar c h and E duc ation Counc il

 Iowa De par

tme nt of Agr ic ultur e and L and Ste war dship

 Use GIS mapping softwar

e to de line ate str uc tur al pr ac tic e s r e c omme nde d in the Iowa Nutr ie nt L

• ss Re duc tion Str

ate gy.

 2010 L

iDAR da ta a nd historic / c urre nt a e ria l ima g e ry.

• E

ac h Se me ste r sinc e the spr ing of 2015, stude nt inte r ns have be e n digitizing six spe c ific manage me nt pr ac tic e s in wate r she ds ac r

• ss the state .
• Ove r

1,400 HUC 12 wate r she ds have be e n c omple te d.

• Str
• ng c ollabor

ation among funding par tne r s

• Ame r

ic aVie w, state gove r nme nt and pr ivate industr y.

• IowaVie w r

e c e ive d minigr ant fr

• m Ame r

ic aVie w to c r e ate thr e e tutor ials:

• Digitizing Conse r

vation Pr ac tic e s

• Histor

ic al Oc c ur r e nc e E valuation

• Ide ntifying and Mapping tile dr

ainage .

COMPONE NT S AND RE SOURCE S

 1. Base line Asse ssme nt to map pr

ac tic e s: $150- $250/ HUC 12



(We have 1,877 in Illinois)

 10- 12 GIS stude nts at IA State wor

king on this at a time .

 2. QA/ QC  IA State Staff r

e vie w wor k of stude nts, 1- 2 staff par t time .

 3. Pr

• gr

e ss asse ssme nt using 25% sample size of HUC12s c ompar ing 1980s ae r ial image r y with the base line asse ssme nt

 T

he n doing update using update d ae r ial image r y.

 Othe r

side pr

• je c ts using this infor

mation in the wor ks.

 Base line to be done Spr

ing 2018 with QA/ QC c omple te by F all 2018.

QUE ST IONS F OR AWQPF

 Do we want to tr

y this in Illinois?

 What pr

ac tic e s would we want to map?

 F

ilte r str ips/ Ripar ian Buffe r s (r e c omme nde d in NL RS)

 Gr

ass Wate r ways

 T

e r r ac e s

 WASCOBs  Othe r

s

 Who c ould do it, Who pays?  Do we do whole state or

se le c t wate r she ds?

 Pr

ior ity Wate r she ds for Phosphor us

OPT ION- F OCUS ON F IL T E R ST RIPS IN PHOSPHORUS PRIORIT Y WAT E RSHE D(S)

 Not as c omple x or

e xpe nsive to map.

 F

• c use s on a r

e lative ly simple and c he ap pr ac tic e .

 Pr

• vide base line and tar

ge t whe r e pr ac tic e is ne e de d

 T

r ac k imple me ntation ove r time

 Inc or

por ate Ne gative slope analysis?

AGRICUL T URE CONSE RVAT ION PL ANNING F RAME WORK (ACPF )

Wa te rshe d pla nning toolbox Hig h- re solution g e o- spa tia l

da ta se ts

Use d within Arc GIS.

AGRICUL T URE CONSE RVAT ION PL ANNING F RAME WORK (ACPF )

Analyze soils, land use , and high-

re solution topographic data

Ide ntify opportunitie s to install

c onse rvation prac tic e s in fie lds and wate rshe ds.

AGRICUL T URE CONSE RVAT ION PL ANNING F RAME WORK (ACPF )

De te rmine whic h fie lds within a

wate rshe d are most prone to c ontribute runoff to stre ams

Ide ntify whe re fie ld- sc ale and

e dge of fie ld prac tic e s c ould be installe d

AGRICUL T URE CONSE RVAT ION PL ANNING F RAME WORK (ACPF )

 Prac tic e s inc lude :