Ecological Archives M077-017-A2

Laurel G. Larsen, Judson W. Harvey, and John P. Crimaldi. 2007. A delicate balance: ecohydrological feedbacks governing landscape morphology in a lotic peatland. Ecological Monographs 77:591–614.

Appendix B. PeatAccrete model parameter values and sources.



Default value

Reported range of values


Spatial step


1 m


Time step


0.001 d


Vertical datum


-1 m


Soil diffusion coefficient


2.7 × 10-4 m2/d

10.31–16.98 m2/d, Chesapeake Bay delta

2.7 × 10-4m2/d, coastal hillslope, CA

Pasternack et al. (2001)

Rosenbloom and Anderson (1994)

Peat horizontal hydraulic conductivity


30 cm/d

0.2-1400 cm/d, WCA2A and ENR

1 × 10-1–10-7 cm/s, Everglades peats

Harvey et al. (2004)

Myers (1999)

Peat porosity



0.8–1.0, Everglades peats

Myers (1999)

Peat specific yield



0.10–0.15, highly humified peats

0.16–0.32, Everglades peats

0.44, peats

0.10–0.20, organic soils in Canada

0.048, managed peat field in Canada

0.4–0.7 surface, 0.05-0.1 depth, wastewater treatment peatland

Boelter (1965)

Myers (1999)

Morris and Johnson (1967)

Quinton and Gray (2003)

Schlotzhauer and Price (1999)

Heliotis (1989)

Wilting point



0.2–0.3, central Broward County, FL

McCue et al. (2002)

Surface water velocity


1 cm/s

0.20–5.16 cm/s

Riscassi and Schaffranek (2003)

Porewater velocity


1 cm/d

0–1.5 cm/d

Krest and Harvey (2003)

Background TP concentration


6 µg/L

5 µg/L

8 µg/L

6 µg/L

Miao and Sklar (1998)

Newman et al. (2001)

Davis (1994)

Phosphate dispersion coefficient in sediment


3.5 × 10-5·m2·d-1

3.5 × 10-5 m2/d

Webster et al. (2001)

Phosphate dispersion coefficient in open water


6.0 × 10-5·m2·d-1

6.0 × 10-5 m2/d

Webster et al. (2001)


Boelter, D. H. 1965. Hydraulic conductivity of peats. Soil Science 100:227–231.

Davis, S. M. 1994. Phosphorus inputs and vegetation sensitivity in the Everglades. Pages 357–378 in S. M. Davis and J. C. Ogden, editors. Everglades: The Ecosystem and Its Restoration. St. Lucie Press, Delray Beach.

Harvey, J. W., S. L. Krupa, and J. M. Krest. 2004. Ground water recharge and discharge in the central Everglades. Ground Water 42:1090–1102.

Heliotis, F. D. 1989. Water storage capacity of wetland used for wastewater treatment. Journal of Environmental Engineering-ASCE 115:822–834.

Krest, J. M., and J. W. Harvey. 2003. Using natural distributions of short-lived radium isotopes to quantify groundwater discharge and recharge. Limnology and Oceanography 48:290–298.

McCue, K. M., H. R. Sorensen, O. Z. Jessen, and D. Dunn. 2002. An integrated groundwater/surface-water model for central Broward county. Florida Water Resources Journal Oct:20–24.

Miao, S. L., and F. H. Sklar. 1998. Biomass and nutrient allocation of sawgrass and cattail along a nutrient gradient in the Florida Everglades. Wetlands Ecology and Management 5:245–263.

Morris, D. A., and A. I. Johnson. 1967. Summary of hydrologic and physical properties of rock and soil materials as analyzed by the Hydrologic Laboratory of the U.S. Geological Survey. U.S. Geological Survey Water-Supply Paper 1839-D, 42 p.

Myers, R. D. 1999. Hydraulic Properties of South Florida Wetland Peats. M. Eng. thesis. University of Florida, Gainesville, Florida, USA.

Newman, S., H. Kumpf, J. A. Laing, and W. C. Kennedy. 2001. Decomposition responses to phosphorus enrichment in an Everglades (USA) slough. Biogeochemistry 54:229–250.

Pasternack, G. B., G. S. Brush, and W. B. Hilgartner. 2001. Impact of historic land-use change on sediment delivery to a Chesapeake Bay subestuarine delta. Earth Surface Processes and Landforms 26:407–427.

Quinton, W. L., and D. M. Gray. 2003. Subsurface drainage from organic soils in permafrost terrain: the major factors to be represented in a runoff model in Proceedings of the Eighth International Conference on Permafrost, Davos, Switzerland, 6pp.

Riscassi, A. L., and R. W. Schaffranek. 2003. Flow velocity, water temperature, and conductivity in Shark River Slough, Everglades National Park, Florida: August 2001-June 2002. U.S. Geological Survey Open File Report 03-348, 37p.

Rosenbloom, N. A., and R. S. Anderson. 1994. Hillslope and channel evolution in a marine terraced landscape, Santa Cruz, California. Journal of Geophysical Research 99:14013–14029.

Schlotzhauer, S. M., and J. S. Price. 1999. Soil water flow dynamics in a managed cutover peat field, Quebec: field and laboratory investigations. Water Resources Research 35:3675–3683.

Webster, I. T., P. W. Ford, and G. Hancock. 2001. Phosphorus dynamics in Australian lowland rivers. Marine and Freshwater Research 52:127–137.

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