Section I Basic Approaches ..................................... 1
Chapter 1 Modeling Phosphorus Movement from Agriculture
to Surface Waters ............................................... 3
Andrew N. Sharpley
Chapter 2 Modeling Runoff and Erosion in Phosphorus Models .... 21
Mary Leigh Wolfe
Chapter 3 Modeling Phosphorus in Runoff: Basic Approaches ..... 65
Miguel L. Cabrera
Chapter 4 Basic Approaches to Modeling Phosphorus Leaching .... 81
Nathan O. Nelson and John E. Parsons
Chapter 5 Phosphorus Transport in Streams: Processes and
Modeling Considerations ....................................... 105
Brian E. Haggard and Andrew N. Sharpley
Chapter 6 Uncertainty Estimation in Phosphorus Models ........ 131
Keith Beven, Trevor Page, and Malcolm McGechan
Section II Models ............................................ 161
Chapter 7 Phosphorus Modeling in Soil and Water
Assessment Tool (SWAT) Model .................................. 163
Indrajeet Chaubey, K.W. Migliaccio, C.H. Green, J.G. Arnold,
and R. Srinivasan
Chapter 8 Modeling Phosphorus with Hydrologie Simulation
Program-Fortran ............................................... 189
David E. Radcliffe and Zhulu Lin
Chapter 9 Phosphorus Modeling in the Annualized Agricultural
Nonpoint Source Pollution (AnnAGNPS) Model .................... 215
Yongping Yuan, Ronald L. Bingner, and Indrajeet Chaubey
Chapter 10 ANSWERS-2000: A Nonpoint Source Pollution Model
for Water, Sediment, and Phosphorus Losses .................... 241
Faycal Bouraoui and Theo A. Dillaha
Chapter 11 Watershed Ecosystem Nutrient Dynamics-Phosphorus
(WEND-P Models) ............................................... 261
Robert L. Kort, E. Alan Cassell, and Stefanie G. Aschmann
Chapter 12 Modeling Phosphorus with the Generalized
Watershed Loading Functions (GWLF) Model ...................... 277
Elliot M. Schneiderman
Section III Phosphorus Indices, Best Management Practices,
and Calibration Data .......................................... 299
Chapter 13 Phosphorus Indices ................................. 301
Jennifer Weld and Andrew N. Sharpley
Chapter 14 Challenges to Using and Implementing Phosphorus
Indices in Nutrient Management Planning: an MMP Perspective ... 333
Philip Hess, Bradley Eisenhauer, and Brad Joern
Chapter 15 Quantifying the Effects of Phosphorus Control
Best Management Practices ..................................... 351
Margaret W. Gitau and Tamie L. Veith
Chapter 16 Small Watershed Data Collection to Support
Phosphorus Modeling ........................................... 383
Daren Harmel and Brian E. Haggard
Section IV Modeling in the Future ............................. 403
Chapter 17 Suggestions to Improve Modeling of Phosphorus ...... 405
David E. Radcliffe and Miguel L. Cabrera
Index ......................................................... 417
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