Modeling phosphorus in the environment - Chapter 4 potx
Modeling phosphorus in the environment - Chapter 4 potx
... on the size and spacing of
the drains (van der Ploeg et al. 1999). Models described in the following chapters
simulate tile drain flow in a variety of ways, including the Richards equation linked
with ... of mass linking them in an actual setting.
4. 3 MODEL COMPONENTS AFFECTING P LEACHING
Incorporating complete or partial descriptions of P leaching into a simulation model
requi...
Modeling phosphorus in the environment - Chapter 5 potx
... at
flume 4 and 0. 042 mg L
−1
at flume 1).
© 2007 by Taylor & Francis Group, LLC
120 Modeling Phosphorus in the Environment
sample (Figure 5.6). For low- or base-flow conditions, flowing water in the ... trends in the St. Albans Bay, Vermont, watershed following
RCWP land treatment. Pp. 47 –58 in The National Rural Clean Water Program sym-
posium, U.S. Environmental...
Veterinary Medicines in the Environment - Chapter 4 potx
... 3.5
Sulfadiazine 6 8-3 5-9 Hogs 25 3 61 10 .4
Sulfamethazine 5 7-6 8-1 Hogs
Min 46
Median 110
Sulfathiazole 7 2-1 4- 0 Hogs
116
176
80
Median 118
Sulfadimethoxine
Min 89
Median 144
Sulfamethoxazole
Min
Tetracycline ... PEC
initial
, depending upon the duration of the treatment period for
the medicine, the size of the facility, the ow rates in the facility, and...
Modeling phosphorus in the environment - Chapter 1 pptx
... EPA- 840 -B9 3-1 00c, U.S. Govern-
ment Printing Office, Washington, D.C.
U.S. Environmental Protection Agency. 2000. The Total Maximum Daily Load (TMDL)
program. EPA 841 -F-0 0-0 09, Office of Water (45 03F), ... working on a modeling approach to BMP evaluation (see
Chapter 15 on BMPs in this book; Gitau et al. 2001). An initial step in modeling
BMP-induced reduction in P los...
Modeling phosphorus in the environment - Chapter 2 ppsx
... Group, LLC
44 Modeling Phosphorus in the Environment
field (drainage) boundary to the outlet of the field. This length and difference in
elevation from the most remote point to the outlet are the same ... rain falling during
the time of concentration, R
tc
, was proportional to the amount of rain falling during
the 2 4- h period, or where
α
tc
is the fraction of...
Modeling phosphorus in the environment - Chapter 6 pot
... Lond. A 45 8: 246 5– 248 4.
Beven, K.J. 2004a. Does an inter-agency meeting in Washington imply uncertainty? Hydrol.
Process. 18:1 747 –1750.
Beven, K.J. 2004b. Response to “emergence of a new kind of ... references therein), groundwater modeling, including Bayesian
averaging of model structures (e.g., Ye et al. 20 04) , and rainfall-runoff modeling
(e.g. Kavetski et al. 2002; Vrugt et...
Modeling phosphorus in the environment - Chapter 7 docx
... 2001a).
7 .4 IN- STREAM PHOSPHORUS CYCLE
SWAT model users have an option to include or exclude in- stream processes in
SWAT simulations. When the in- stream component is included, the model routes
the ... and
sludge
H
2
PO
4
-
HPO
4
-2
mineralization
immobilization
Adsorbed and fixed
Inorganic Fe, Al, a,
and clay
Soil Organic
Matter
© 2007 by Taylor & Francis G...
Modeling phosphorus in the environment - Chapter 8 pdf
... was delineated into
FIGURE 8 .4 Upper Etowah River basin with the solid dot indicating the watershed outlet at
Canton, Georgia. The gray lines indicate the stream network, and the dark lines indicate ... LLC
212 Modeling Phosphorus in the Environment
modeling water movement in HSPF. Donigian and Love (2003) and U.S. Environ-
mental Protection Agency (2006) are helpful...
Modeling phosphorus in the environment - Chapter 9 pptx
... (g/ha)
Oct-96 Mar-97 Sep-97 Mar-98 Sep-98 Mar-99 Sep-99 Mar-00 Sep-00
Time (months)
1200
1000
800
600
40 0
200
0
Observed
Predicted
Total P loss (g/ha)
Oct-96 Mar-97 Sep-97 Mar-98 Sep-98 Mar-99 Sep-99 ... Research/docs.htm?docid=5199). The subwatersheds
2 24 Modeling Phosphorus in the Environment
where actP
i
is the concentration of intermediate active inorganic P in the...
Modeling phosphorus in the environment - Chapter 10 ppsx
... net gain
of sediments.
sed_loss
Value
-8 35 - -7 50
-7 50 - -6 00
-6 00 - -4 5 0
-4 50 - -3 00
-3 00 - -1 50
-1 50 - 0
0 -1 50
150 - 300
300 - 45 0
© 2007 by Taylor & Francis Group, LLC
241
10
ANSWERS-2000: ... runoff for the May 26, 1989, rainfall event for the Nomini
Creek watershed. The dashed line represents the PO
4...