Skip to main content Skip to navigation


Some of our most recent publications can be found here:


and below:

  • Guzman, C.D., Tilahun, S.A., Dagnew, D.C., Zimale, F.A., Zegeye, A. D., Boll, J., Parlange, J-.Y., Steenhuis, T.S. (2017 in press) Spatio-temporal Patterns of Groundwater Depths and Soil Nutrients in a Small Watershed in the Ethiopian Highlands: Topographical and Land Use Controls. Journal of Hydrology. 555, 420-434
  • Sanchez-Murillo, R., Boll, J., Birkel, C., Esquivel Hernandez, G., Aguirre-Duenas, E., Moya-Vega, P. 2017. Isotopic Characterization of Waters Across Chile. Chapter 9 In Andean Hydrology, pp 203-225.
  • Squires, Audrey L., Jan Boll, and Erin S. Brooks, 2017. On the Role of Spatial, Temporal, and Climatic Forces on Stream Sediment Loading from Rural and Urban Ecosystems. Journal of the American Water Resources Association (JAWRA) 53(5):1195-1211.
  • Al-Hamdan, O.Z., F.B. Pierson, M.A. Nearing, C.J. Williams, M. Hernandez, J. Boll, S.K. Nouwakpo, M.A. Weltz, K. Spaeth. 2017. Developing a parameterization approach of soil erodibility for the Rangeland Hydrology and Erosion Model (RHEM). Transactions of the ASABE.
  • Esquivel-Hernández G, Sánchez-Murillo R, Birkel C, Good SP, Boll J. Hydroclimatic and ecohydrological resistance/resilience conditions across tropical biomes of Costa Rica. Ecohydrology. 2017;10:e1860.
  • Sánchez-Murillo, R., A.M. Durán-Quesada, C. Birkel, G. Esquivel-Hernández, J. Boll. 2017. Tropical precipitation anomalies and d-excess evolution during El Niño 2014-16. Hydrological Processes, DOI 10.1002/hyp.11088.
  • Williams**, C.J., F.B. Pierson, K.E. Spaeth, J.R. Brown, O.Z. Al-Hamdan, M.A. Weltz, M.A. Nearing, J.E. Herrick, J. Boll, P.R. Robichaud, D.C. Goodrich, P. Heilman, D.P. Guertin, M. Hernandez, H. Wei, V.O. Polyakov, G. Armendariz, S.K. Nouwakpo, S.P. Hardegree, P.E. Clark, E.K. Strand, J.D. Bates, L.J. Metz, and M.H. Nichols. 2016. Application of Ecological Site information to transformative changes on Great Basin Sagebrush rangelands. Rangelands 38:379-388
  • Boll, J., T. Link, M. Santelmann, R. Heinse, and B. Cosens. 2016. Análisis y síntesis de buenas prácticas en la educación socioambiental interdisciplinaria en Estados Unidos.» Interdisciplina 4, n° 10 (septiembre–diciembre): 117-146.
  • Yousefi, S., H. Moradi, J. Boll, and S. Schönbrodt-Stitt. 2016. Effects of road construction on soil degradation and nutrient transport in Caspian Hyrcanian mixed forests. Geoderma 284:103-112.
  • Brooks, E.S., M. Dobre, W.J. Elliot, J.Q. Wu, and J. Boll. 2016. Watershed-scale evaluation of the Water Erosion Prediction Project (WEPP) model in the Lake Tahoe basin. J. Hydrol. 533:389-402.
  • Williams, C.J., F.B. Pierson, K.E. Spaeth, J.R. Brown, O.Z. Al-Hamdan, M.A. Weltz, M.A. Nearing, J.E. Herrick, J. Boll, P.R. Robichaud, D.C. Goodrich, P. Heilman, D.P. Guertin, M. Hernandez, H. Wei, S.P. Hardegree, E.K. Strand, J.D. Bates, L.J. Metz, and M.H. Nichols. 2016. Incorporating hydrologic data and ecohydrologic relationships into ecological site descriptions. Rangeland Ecology & Management, 69:4-19. (
  • Corrales, J.L., R. Sánchez-Murillo, G. Esquivel-Hernández**, E. Herrera, and J. Boll. 2016. Tracking the water fingerprints of Cocos Island: a stable isotope analysis of precipitation, surface water, and groundwater. Rev. Biol. Trop. (Int. J. Trop. Biol. ISSN-0034-7744) Vol. 64 (Suppl. 1): S105-S0120.
  • Sánchez-Murillo, R., C. Birkel, K. Welsh, G. Esquivel-Hernández, J. Corrales-Salazar, J. Boll, E. Brooks, O. Roupsard, O. Sáenz-Rosales, I. Katchan, R. Arce-Mesén, C. Soulsby, and L.J. Araguás- Araguás. 2016. Key drivers controlling stable isotope variations in daily precipitation of Costa Rica: Caribbean Sea versus Eastern Pacific Ocean moisture sources. Quaternary Science Reviews, 131 (PartB):250-261 (
  • Williams, C.J., Pierson, F.B., Robichaud, P.R., Al-Hamdan, O.Z., Boll, J., Strand, E.K. 2016.  Structural and functional connectivity as a driver of hillslope erosion following disturbance. International Journal of Wildland Fire, 25(3): 306-321.
  • Esquivel-Hernández, G., M. Villalobos-Forbes, R. Sánchez-Murillo, C. Birkel, J. Valdés-González, and J. Boll. 2015. Near Surface Carbon Dioxide and Methane in Urban Areas of Costa Rica. Open Journal of Air Pollution. 4:208-223. (
  • Benson, M.H., C. Lippitt, R. Morrison, B. Cosens, J. Boll, B.C. Chaffin, R. Heinse, D. Kauneck, T. E. Link, C. Scruggs, M. Stone, V. Valentin. 2015.  Five Ways Institutions Can Support Interdisciplinary Research and Scholarship Before Tenure, Environmental Studies and Sciences,
  • Brooks, E.S., S. Saia, J. Boll. 2015. Assessing BMP Effectiveness and Guiding BMP Planning Using Process-Based Modeling. JAWRA51(2):343-358,
  • Boll, J., E.S. Brooks, E.S., B. Crabtree, S. Dun, and T.S. Steenhuis. 2015. Variable Source Area Hydrology Modeling with the Water Erosion Prediction Project (WEPP) Model, JAWRA 51(2):330-342, DOI: 10.1111/1752-1688.12297.
  • Rittenburg, B., A.L. Squires, J. Boll, E.S. Brooks, Z.M. Easton, and T.S. Steenhuis. 2015. Agricultural BMP Effectiveness and Dominant Hydrological Flow Paths: Concepts and a Review. JAWRA 51(2):305-329,
  • Sánchez -Murillo, R., E.S. Brooks, W.J. Elliot, and J. Boll. 2015. Isotope hydrology and baseflow geochemistry in natural and human-altered watersheds in the Inland Pacific Northwest, USA. Isotopes in Environmental & Health Studies
  • Sánchez -Murillo**, R., E.S. Brooks, W. Elliot, E. Gazel, and J. Boll. 2015. Baseflow recession analysis in the inland Pacific Northwest of the United States. Hydrogeology Journal 23(2):287-303,
  • Al-Hamdan, O.Z., M. Hernandez, F.B. Pierson, M.A. Nearing, C.J. Williams, J.J. Stone, J. Boll, M.A. Weltz. 2015. Rangeland hydrology and erosion model (RHEM) enhancements for applications on disturbed rangelands. Hydrological Processes, 29(3):445-457,
  • Williams, C.J., F.B. Pierson, P.R. Robichaud, and J. Boll. 2014. Hydrologic and erosion responses to wildfire along the rangeland-xeric forest continuum in the western US: A review and conceptual model of hydrologic vulnerability. International Journal of Wildland Fire23:155-172.
  • Sánchez-Murillo, R.,G. Esquivel-Hernández, K. Welsh, E.S. Brooks, J. Boll, R. Alfaro-Solís, J. Valdés-González. 2013. Spatial and Temporal Variation of Stable Isotopes in Precipitation across Costa Rica: An Analysis of Historic GNIP Records. Open Journal of Modern Hydrology, 3(4):226-240.
  • Ochoa-Cueva, P., A. Fries, P. Montesinos, J. A. Rodríguez-Díaz, and J. Boll. 2013. Spatial estimation of soil erosion risk by land cover change in the Andes of Southern Ecuador. Land Degradation & Development,
  • Saia, S.M., E. S. Brooks, Z. M. Easton, C. Baffaut, J. Boll, T. S. Steenhuis. 2013. Incorporating pesticide transport into the WEPP model for mulch tillage and no tillage plots with an underlying claypan soil. Applied Engineering in Agriculture 29(3): 363-372.
  • Sanchez-Murillo, R, E.S. Brooks, J. Boll, and F. Wilhelm. 2013. Ecohydrological habitat quality and steelhead (Oncrohynchus mykiss) in an effluent dominated stream: potential benefits of water water treatment plants in streams of the Pacific Northwest impoverished by loss of marine derived nutrients. Ecohydrology,
  • Al-Hamdan, O.Z., F.B. Pierson Jr, M.A. Nearing, C.J. Williams, J.J. Stone, P.R. Kormos, J. Boll and M.A. Weltz. 2012. Concentrated flow erodibility for physically-based erosion models: temporal variability in disturbed and undisturbed rangelands. Water Resour. Res., 48, 7,