Richard F. Keim


School of Renewable Natural Resources

rkeim aaaat lsu edu

225 578 4169


Forest and Wetland Ecohydrology Lab





PhD 2003 Forest Engineering, Oregon State University

MS 1995 Forestry, Mississippi State University

BS 1993 Forest Management, Mississippi State University


Research Interests      

Hydrology of forested wetlands and watersheds; management of bottomland and coastal forests; hydrological interactions between forests, soils and the atmosphere; scaling of hydrological processes; dendrochronology



RNR 3041 Forest Practicum: Field Studies in Forested Wetlands

RNR 4101 Integrated Natural Resource Policy and Management

RNR 4150 Forest Hydrology and Soils

RNR 4033 Silviculture and Management of Hardwoods

RNR 7001 Research Methodology

RNR 7036 Advanced Topics in Natural Resources Biometrics and Management

RNR 7029 Advanced Topics in Renewable Natural Resources

                   ... have included:

                   Floodplain Ecology



Selected Publications   

Allen, S.T. and R.F. Keim. 2017. Wetland-tree growth responses to hydrologic variability derived from development and optimization of a non-linear radial growth model. Ecological Modelling 354:49-61.

Allen, S.T., R.F. Keim, H.R. Barnard, J.J. McDonnell, J.R. Brooks. 2017. The role of stable isotopes in understanding rainfall interception processes: A review. WIREs Water 4:e1187

Hsueh, Y.-H., J.L. Chambers, K.W. Krauss, S.T. Allen, and R.F. Keim. 2016. Hydrologic exchanges and baldcypress water use on deltaic hummocks, Louisiana USA. Ecohydrology 9:1452-1463.

Kroschel, W.A., S.L. King, and R.F. Keim. 2016. Tree regeneration in bottomland hardwood forests: a review. Southeastern Naturalist 16:42-60.

Lemon, M.G.T., S.T. Allen, B.L. Edwards, S.L. King, and R.F. Keim. 2016. Satellite derived temperature for monitoring water status in a floodplain forest of the Upper Sabine River, Texas. Southeastern Naturalist 15:90-102.

Allen, S.T., B.L. Edwards, M.L. Reba, and R.F. Keim. 2016. Sub-canopy evapotranspiration from floating vegetation and open water in a swamp forest. Wetlands 36:681-688.

Edwards, B.L., R.F. Keim, E.L. Johnson, C.R. Hupp, S. Marre, and S.L. King. 2016. Geomorphic adjustment to hydrologic modifications along a meandering river: implications for surface flooding on a floodplain. Geomorphology 269:149-159.

Allen, S.T., K.W. Krauss, J.W. Cochran, S.L. King, and R.F. Keim. 2016. Wetland tree transpiration modified by river-floodplain connectivity. Journal of Geophysical Research Biogeosciences 121:753-766.

Hsueh, Y.-H., S.T. Allen, and R.F. Keim. 2016. Fine-scale spatial variability of throughfall amount and isotopic composition under a hardwood forest canopy. Hydrological Processes 30:1796-1803.

Gee, H.K.W., S.L. King, and R.F. Keim. In Press. Influence of hydrologic modifications on Fraxinus pennsylvanica in the Mississippi River Alluvial Valley, USA. Canadian Journal of Forest Research 45:1397-1406.

Allen, S.T., K. Krauss, J.W. Cochran, S.L. King, and R.F. Keim. 2016. Hydrologic effects on radial growth phenology for Celtis laevigata and Quercus lyrata as affected by hydrology in the floodplain of the lower White River, Arkansas. in: Proceedings, 18th Biennial Southern Silvicultural Research Conference, Knoxville, TN. USDA Forest Service General Technical Report

Moerschbaecher, M.K., R.F. Keim, and J.W. Day Jr. 2016. Estimating carbon stocks in four uneven-aged bottomland hardwood forest stands in south Louisiana. in: Proceedings, 18th Biennial Southern Silvicultural Research Conference, Knoxville, TN. USDA Forest Service General Technical Report

Kaller, M.D., R.F. Keim, B.L. Edwards, A.R. Harlan, T. Pasco, W.E. Kelso, and D.A. Rutherford. 2015. Aquatic vegetation mediates the relationship between hydrologic connectivity and water quality in a managed floodplain, Atchafalaya River, Louisiana, USA. Hydrobiologia 760:29-41.

Allen, S.T., M.L. Whitsell, and R.F. Keim. 2015. Leaf morphometrics and allometrics in baldcypress. Canadian Journal of Forest Research 45:963-969.

Allen, S.T., R.F. Keim, and J.J. McDonnell. 2015. Spatial patterns of throughfall isotopic composition at the event and seasonal scales.  Journal of Hydrology 522:58-66.

Jones, C.N., D.T. Scott, B.L. Edwards, and R.F. Keim. 2014. Perirheic mixing and biogeochemical processing in flow-through and backwater floodplain wetlands. Water Resources Research. Water Resources Research 50:7394-7405.

Gee, H.K.W., S.L. King, and R.F. Keim. 2014. Tree growth and recruitment in a leveed floodplain forest in the Mississippi River Alluvial Valley, USA. Forest Ecology and Management 334:85-95.

Scott, D.T., R.F. Keim, C.N. Jones, B.L. Edwards, D.E. Kroes. 2014. Floodplain biogeochemical processing of floodwaters during the Mississippi River flood of 2011. Journal of Geophysical Research 119:537-546.

Allen, S.T., J.R. Brooks, R.F. Keim, B.J. Bond, and J.J. McDonnell. 2014. The role of pre-event canopy storage in throughfall and stemflow using isotopic tracers. Ecohydrology 7:858-868

Fathizadeh, O., P. Attarod, R.F. Keim, A. Stein, G. Zahedi Amiri, and A.A. Darvishsefat. 2014. Spatial heterogeneity and temporal stability of throughfall water under individual Quercus brantii trees. Hydrological Processes 28:1124-1136.

Keim. R.F., J.A. Zoller, D.H. Braud and B. Edwards.  2013. Classification of forested wetland degradation using ordination of multitemporal reflectance. Wetlands 33:1103-1115.

Keim, R.F., T.J. Dean, and J.L. Chambers. 2013. Flooding effects on stand development in cypress-tupelo. P. 431-437 in: Proceedings, 15th Biennial Southern Silvicultural Research Conference, Hot Springs, Ark. USDA Forest Service General Technical Report SRS-175.

Newman, A.E., and R.F. Keim. 2013. Mesoscale connectivity through a natural levee. Hydrology and Earth Systems Sciences 17:691-704.

Day J.W., R. Hunter, R.F. Keim, R. DeLaune, G. Shaffer, E. Evers, D. Reed, C. Brantley, P. Kemp, J. Day, and M. Hunter. 2012. Ecological response of coastal wetlands with and without large-scale Mississippi River input: implications for management. Environmental Engineering 46:57-67.

Keim, R.F., and J.B. Amos. 2012. Dendrochronological analysis of baldcypress responses to climate and contrasting flood regimes. Canadian Journal of Forest Research 42:423-436.

Yu, K., T.G. Pypker, R.F. Keim, N. Chen, Y. Yang, Q. Guo, and G. Wang. 2012. Canopy rainfall storage capacity as affected by sub-alpine grassland degradation in the Qinghai-Tibetan Plateau, China. Hydrological Processes 26:3114-3123.

Keim, R.F., C.W. Izdepski, and J.W. Day Jr. 2012. Growth response of baldcypress to wastewater nutrient additions and changing hydrological regime. Wetlands 32:95-103.

King, S.L., L.L. Battaglia, C.R. Hupp, R.F. Keim, and B.G. Lockaby. 2012. Southeastern lowland river floodplains. P. 253-266 in Wetland Habitats of North America: Ecology and Conservation Concerns, D. Batzer and A. Baldwin, eds. University of California.

Levia, D.F., R.F. Keim, D.E. Carlyle-Moses, and E.E. Frost. 2011. Throughfall and stemflow in wooded ecosystems. P. 425-443 in Forest Hydrology and Biogeochemistry: Synthesis of Research and Future Directions, D.F. Levia, D.E. Carlyle-Moses, and T. Tanaka, eds., Ecological Studies Series No. 216, Springer Science, Heidelberg, Germany.

Keim, R.F., T.J. Dean, J.L. Chambers, and W.H. Conner. 2010. Density relationships in baldcypress. Forest Science 56:336-343.

Rupp, D.E., R.F. Keim, M. Ossiander, M. Brugnach, and J.S. Selker. 2009. Timescale and intensity dependency in multiplicative cascades for temporal rainfall disaggregation. Water Resources Research 45:W07409, doi:10.1029/2008WR007321.

Faulkner, S.P., J.L. Chambers, W.H. Conner, R.F. Keim, J.W. Day, E.S. Gardiner, M.S. Hughes, S.L. King, K.W. McLeod, C.A. Miller, J.A. Nyman, and G.P. Shaffer. 2007. Conservation and Use of Coastal Wetland Forests in Louisiana. P. 447-460 in: The Ecology of Tidal Freshwater Swamps of the Southeastern United States, W.H. Conner, T.W. Doyle, and K.W. Krauss, Ed. Springer Science. PDF

Keim, R.F., J.L. Chambers, M.S. Hughes, L.D. Dimov, W.H. Conner, G.P. Shaffer, E.S. Gardiner, and J.W. Day Jr. 2006. Long-term success of stump sprouts in high-graded baldcypress–water tupelo swamps in the Mississippi delta. Forest Ecology and Management 234:24-33. PDF

Keim, R.F., J.L. Chambers, M.S. Hughes, J.A. Nyman, C.A. Miller, J.B. Amos, W.H. Conner, J.W. Day Jr., S.P. Faulkner, E.S. Gardiner, S.L. King, K.W. McLeod, and G.P. Shaffer. 2006. Ecological consequences of changing hydrological conditions in wetland forests of coastal Louisiana. P. 383-395 in: Coastal Environment and Water Quality, Y.J. Xu and V.P. Singh, eds. Challenges in Coastal Hydrology and Water Quality, Water Resource Publications, Highlands Ranch, Colo. 534 p. PDF

Keim, R.F., and W.J. Blanford. 2006. Hurricanes create a crossroads for hydrological management of the Mississippi River delta. Ground Water 44:123-124. PDF

Keim, R.F., H.J. Tromp-Van Meerveld, and J.J. McDonnell. 2006. A virtual experiment on the effects of evaporation and intensity smoothing by canopy interception on subsurface stormflow generation. Journal of Hydrology 327:352-364. PDF

Keim, R.F., A.E. Skaugset, and M. Weiler. 2006. Storage of water on vegetation under simulated rainfall of varying intensity. Advances in Water Resources 29:974-986. PDF

Keim, R.F., A.E. Skaugset, and M. Weiler. 2005. Temporal persistence of spatial patterns in throughfall. Journal of Hydrology 314:263-274. PDF

Chambers, J.L., W.H. Conner, J.W. Day, S.P. Faulkner, E.S. Gardiner, M.S. Hughes, R.F. Keim, S.L. King, K.W. McLeod, C.A. Miller, J.A. Nyman, and G.P. Shaffer. 2005. Conservation, Protection and Utilization of Louisiana’s Coastal Wetland Forests, Final Report to the Governor of Louisiana from the Science Working Group on Coastal Wetland Forest Conservation and Use. PDF

Keim, R.F. 2004. Comment on “Measurement and modelling of growing-season canopy water fluxes in a mature mixed deciduous forest stand, southern Ontario, Canada.” Agricultural and Forest Meteorology 124:277-279. PDF

Keim, R.F., and A.E. Skaugset. 2004. A linear system model of dynamic throughfall rates beneath forest canopies. Water Resources Research 40:W05208, doi:10:1029/2003WR002875. PDF

Keim, R.F., A.E. Skaugset, T.E. Link, and A. Iroumé. 2004. A stochastic model of throughfall for extreme events. Hydrology and Earth System Sciences 8:23-34. Invited paper: European Geophysical Society/American Geophysical Union Young Scientist Outstanding Poster Paper Award. PDF

Keim, R.F., A.B. Price, T.S. Hardin, A.E. Skaugset, D.S. Bateman, R.E. Gresswell, and S.D. Tesch. 2004. An Annotated Bibliography of Selected Guides for Stream Habitat Improvement in the Pacific Northwest. Oregon State University College of Forestry Research Laboratory Research Contribution 44.

Keim, R.F., and A.E. Skaugset. 2003. Modelling effects of forest canopies on slope stability. Hydrological Processes 17:1457-1467. PDF

Keim, R.F., A.E. Skaugset, and D.S. Bateman. 2002. Physical aquatic habitat II. pools and cover affected by large woody debris in three western Oregon streams. North American Journal of Fisheries Management 22:151-164.

Keim, R.F., and A.E. Skaugset. 2002. Physical aquatic habitat I. errors associated with measurement and estimation of residual pool volumes. North American Journal of Fisheries Management 22:145-150.

Skaugset, A.E., G.H. Reeves, and R.F. Keim. 2002. Landslides, surface erosion, and forest operations in the Oregon Coast Range. P. 213-241 in: Forest and Stream Management in the Oregon Coast Range, S.D. Hobbs, J.P. Hayes, R.L. Johnson, G.H. Reeves, T.A. Spies, J.C. Tappeiner, and G.E. Wells, Eds. Oregon State University Press.

Keim, R.F., A.E. Skaugset, and D.S. Bateman. 2000. Dynamics of coarse woody debris placed in three Oregon streams. Forest Science 46:13-22. PDF

Wing, M.G., R.F. Keim, and A.E. Skaugset. 1999. Applying geostatistics to quantify distributions of large woody debris in streams. Computers & Geosciences 25:801-807.

Keim, R.F., A.E. Skaugset, and D.S. Bateman. 1999. Digital terrain modeling of small stream channels with a total-station theodolite. Advances in Water Resources 23:41-48.

Keim, R.F., and S.H. Schoenholtz. 1999. Functions and effectiveness of silvicultural streamside management zones in loessial bluff forests. Forest Ecology and Management 118:197-209. Erratum: Forest Ecology and Management 123:91.







Last revised 6 April 2017




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