Manuscripts submitted for Special Section of Water Resources Research

Emmerich, W.E. and C.L. Verdugo(this issue), Long-term CO₂ and water flux database, Walnut Gulch Experimental Watershed, Arizona, USA

Emmerich, W.E. and C.V. Verdugo (this issue), Precipitation thresholds for CO2 uptake in grass and shrub plant communities on Walnut Gulch Experimental Watershed

Garcia, M.E., C.D. Peters-Lidard and D.C. Goodrich (this issue), Spatial interpolation of precipitation in a dense gauge network for monsoon storm events in the southwestern U.S.

Goodrich, D.C., C.L. Unkrich, T.O. Keefer, M.H. Nichols and R.L. Scott (this issue), Rainfall and runoff as a function of spatial and temporal scales and event to multi-decadal persistence in spatial rainfall variability

Goodrich, D.C., T.O. Keefer, C.L. Unkrich, M.H. Nichols, H.B. Osborn, J.J. Stone, and J.R. Smith (this issue), Long-term precipitation database, Walnut Gulch Experimental Watershed, Arizona, USA

Heilman, P., J.J. Stone and D. Robinett (this issue), Ecological sites, Walnut Gulch Experimental Watershed, Arizona, USA

Heilman, P., S. Miller, D.C. Goodrich, M.H Nichols and D.P. Guertin (this issue), GIS database, Walnut Gulch Experimental Watershed, Arizona, USA

Hernandez, M., M. Nearing, J.J. Stone, M.H. Nichols and D.C. Goodrich (this issue), Uncertainty and sensitivity analyses of soil erosion prediction on a semiarid watershed using the new rangeland soil erosion model KINEROS2-WEPP

Holifield Collins, C.D., W.E. Emmerich, M.S. Moran, R. Bryant and C.L. Verdugo (this issue), A remote sensing approach for estimating distributed daytime net carbon dioxide flux in semiarid grasslands

Keefer, T.O., C.L. Unkrich, J.R. Smith, D.C. Goodrich and J.R. Simanton (this issue), A multi-year, multi-gauge event based comparison of two types of automated-recording weighing-bucket raingages

Keefer, T.O., M.S. Moran and G.B. Paige (this issue), Long-term meteorological and soil-dynamics database Walnut Gulch Experimental Watershed, Arizona, USA

King, D., S. Skirvin, C. Holifield Collins, S. Moran, S. Beidenbender, M. Kidwell, M. Weltz, A. Diaz-Gutierrez (this issue), Assessing vegetation change temporally and spatially in Southeastern Arizona

Moran, M.S., C.D. Holifield Collins, D.C. Goodrich and J. Qi (this issue), Long-term remote sensing database, Walnut Gulch Experimental Watershed, Arizona, USA

Moran, M.S., D. Peters, M. McClaran and M. Nichols(this issue), Value of long-term data collection for understanding and predicting ecosystem dynamics

Moran, M.S., R.L. Scott, T.O. Keefer, G.B. Paige, W.E. Emmerich, M.H. Cosh and P.E. O'Neill (this issue), Partitioning Evapotranspiration in Semiarid Grassland and Shrubland Ecosystems Using Diurnal Surface Temperature Variation

Nearing, M., M. Nichols, J.J. Stone and K. Renard (this issue), Sediment yields from small semi-arid watersheds at Walnut Gulch: 1995-2005

Nichols, M., J.J. Stone and M.A. Nearing (this issue), Long-term sediment database, Walnut Gulch Experimental Watershed, Arizona, USA

Nichols, M.H. and E. Anson (this issue), SouthwestWatershedResearchCenter's Data Access Project, Water Resources Research

Nichols, M.H. and K. Renard (this issue), Geomorphic adjustments of Walnut Gulch, Arizona, USA, from  1935 - 2005

Osterkamp, W. and M. Nichols (this issue), Geomorphology, Walnut Gulch Experimental Watershed, Arizona, USA

Osterkamp, W. and S. Miller (this issue), Geology, WG Drainage Basin, SE Arizona, USA

Osterkamp, W., D. Breckenfeld and J.J. Stone (this issue), Soils relative to geology and landforms in Walnut Gulch Experimental Watershed, Arizona, USA

Peters-Lidard, C.D., D.M. Mocko, M.A. Tischler, Y. Wu, M.E. Garcia and J.A. Santanello, Jr. (this issue), The relative roles of soil, land cover, and precipitation uncertainty for watershed-scale soil moisture prediction in a semi-arid environment

Renard, K., M. Nichols, D. Woolhiser and H. Osborn (this issue), The history of ARS watershed research and modeling in Arizona and New Mexico

Rhoton, F.E., W.E. Emmerich, D.C. Goodrich, S.N. Miller and D.S. McChesney (this issue), Long-term soil erodibility database, Walnut Gulch Experimental Watershed, Arizona, USA

Scott, R.L., W.L. Cable, T.E. Huxman, P.L. Nagler and D.C. Goodrich(this issue), Multiyear riparian evapotranspiration and groundwater use for a semiarid watershed

Skirvin, S., M. Kidwell, S. Biedenbender, J.P. Henley, D. King, C. Holifield Collins, S. Moran and M. Weltz (this issue), Vegetation data, Walnut Gulch Experimental Watershed, Arizona, USA

Stone, J.J., M. Nichols, D.C. Goodrich and J. Buono (this issue), Long-term runoff database, Walnut Gulch Experimental Watershed, Arizona, USA

Yatheendradas, S., T. Wagener, H. Gupta, C. Unkrich, D. Goodrich and M. Schaffner (this issue), Toward improved modeling of semi-arid flash floods using radar data: understanding uncertainty in model identification