Ayres, J.R., Yarnell, S.M., Baruch, E., Lusardi, R.A., Grantham, T.E. 2024. Perennial and non-perennial streamflow regime shifts across California, USA. Water Resources Research 035768 [open access].

Carlson, S.M., Ruhí, A., Bogan, M.T., Hazard, C.W., Ayers, J., Grantham, T.E., Batalla, R.J. and Garcia, C. 2024. Losing flow in free‐flowing Mediterranean‐climate streams. Frontiers in Ecology and the Environment e2737 [open access].


Rossi, G. J., Obedzinski, M., Pneh, S., Nossaman Pierce, S., Boucher, W. T., Slaughter, W. M., Flynn, K. M., and Grantham, T. E. 2023. Flow augmentation from off‐channel storage improves salmonid habitat and survival. North American Journal of Fisheries Management [open access].

Dillis, C., Butsic, V., Martin, J. V., Reiman, A., Starrs, G., and Grantham, T. E. 2023. Wildfire smoke exposure has significant economic impacts on California’s licensed cannabis industry. Environmental Research Letters 18: 094069 [open access].

Jumani, S., Andrews, L., Grantham, T. E., McKay, S. K., Duda, J. and Howard, J. 2023. A decision-support framework for dam removal planning and its application in northern California. Environmental Challenges 100731 [open access].

Oshun, M. and Grantham, T. E., 2023. Leveraging species richness and ecological condition indices to guide systematic conservation planning. Journal of Environmental Management 341 [doi].

Moidu, H., Rodríguez‐Lozano, P., Leidy, R., Bogan, M., Grantham, T. E. and Carlson, S. M. Ecological consequences of shifting habitat mosaics within and across years in an intermittent stream. Freshwater Biology [doi].

Dillis, C., Butsic, V., Georgakakos, P., Portugal, E. and Grantham, T.E. 2023. Water demands of permitted and unpermitted cannabis cultivation in Northern California. Environmental Research Communications 5: 025005 [open access].

Mount, J. and Grantham, T.E. 2023. Rebuilding resilience: Drought and declining freshwater species in California. Water Resources IMPACT 5: 29-32 [open access].

Polson, M., Butsic, V., Dillis, C., de Genova, H., Grantham, T., Herrera, L.R., Hossack, J., Laudati, A., Martin, J.V., Parker-Shames, P., Petersen-Rockney, M., Sorgen, J., Starrs, G. 2023. Policy findings and recommendations regarding California cannabis: Farming, regulation, and the environment. Berkeley Cannabis Research Center [pdf].

Polson, M., Bodwitch, H., Biber, E., Butsic, V. and Grantham, T.E. 2023. After legalization: Cannabis, environmental compliance, and agricultural futures. Land Use Policy 126: 106531 [open access].


Kastl, B., Obedzinski, M., Carlson, S.M., Boucher, W.T. and Grantham, T.E. 2022. Migration in drought: Receding streams contract the seaward migration window of endangered salmon. Ecosphere, 13(12): e4295 [open access].

Rossi, G.J., Power, M.E., Carlson, S.M., and Grantham, T.E. 2022. Seasonal growth potential of Oncorhynchus mykiss in streams with contrasting prey phenology and streamflow. Ecosphere 13(9): e4211 [open access].

Dillis, C., Butsic, V., Moanga, D., Parker-Shames, P., Wartenberg, A., and Grantham, T.E. 2022. The threat of wildfire is unique to cannabis among agricultural sectors in California. Ecosphere 13(9): e4205 [open access].

Stein, E., McClain, M., Sengupta, A., Grantham, T., Zimmerman, J. and Yarnell, S. 2022. “Allocations and environmental flows” Chapter 5 in Water Resources Allocation and Agriculture: Transitioning from Open to Regulated Access. Edited by: Josselin Rouillard, Christina Babbitt, Edward Challies, Jean-Daniel Rinaudo. IWA Publishing [open access].

Kislik, C., Dronova, I., Grantham, T.E. and Kelly, M., 2022. Mapping algal bloom dynamics in small reservoirs using Sentinel-2 imagery in Google Earth Engine. Ecological Indicators 140: 109041 [open access].

Serra-Llobet, A., Jähnig, S.C., Geist, J., Kondolf, G.M., Damm, C., Scholz, M., Lund, J., Opperman, J., Yarnell, S., Pawley, A., Shader, E., Cain, J., Zingraff-Harned, A., Grantham, T.E., Eisenstein, W. and Schmitt, R. 2022. Restoring rivers and floodplains for habitat and flood risk reduction: Experiences in multi-benefit floodplain management from California and Germany. Frontiers in Environmental Science [open access]

Grantham, T.E., Carlisle, D.M., Howard, J., Lane, B., Lusardi, R., Obester, A., Sandoval-Solis, S., Stanford, B., Stein, E.D., Taniguchi-Quan, K.T. and Yarnell, S.M. 2022. Modeling functional flows in California’s rivers. Frontiers in Environmental Science [open access].

Yarnell, S.M., Willis, A., Obester, A., Peek, R.A., Lusardi, R.A., Zimmerman, J., Grantham, T.E. and Stein, E.D. 2022. Functional flows in groundwater-influenced streams: Application of the California Environmental Flows Framework to determine ecological flow needs. Frontiers in Environmental Science [open access].


Moidu, H., Obedzinski, M., Carlson, S.M. and Grantham, T.E. 2021. Spatial patterns and sensitivity of intermittent stream drying to climate variability. Water Resources Research: e2021WR030314 [doi].

Stein, E.D., Zimmerman, J., Yarnell, S.M., Stanford, B., Lane, B., Taniguchi-Quan, K.T., Obester, A., Grantham, T.E., Lusardi, R.A. and Sandoval-Solis, S., 2021. The California Environmental Flows Framework: Meeting the challenges of developing a large-scale environmental flows program. Frontiers in Environmental Science [open access].

Dillis, C., Butsic, V., Carah, J., Zipper, S.C. and Grantham, T.E. 2021. Cannabis farms in California rely on wells outside of regulated groundwater basins. Environmental Research Communications 3: 075005 [open access].

Dillis, C., Biber, E., Bodwitch, H., Butsic, V., Carah, J., Parker-Shames, P., Polson, M., and Grantham, T.E. 2021. Shifting geographies of legal cannabis production in California. Land Use Policy 105: 105369 [pdf].

Comte, L., Grantham, T.E., Ruhi, A. 2021. Human stabilization of river flows is linked with fish invasions across the USA. Global Ecology and Biogeography 30: 725-737 [open access]


Grantham, T.E., Mount, J., Stein, E.D., and Yarnell, S.M. 2020. Making the Most of Water for the Environment: A Functional Flows Approach for California’s Rivers. Public Policy Institute of California Water Policy Center Report [pdf]

Dillis, C., McIntee, C., Butsic, V., Le, L., Grady, K., and Grantham, T.E. 2020. Water storage and irrigation practices drive seasonal patterns of water extraction and use in Northern California. Journal of Environmental Management 272: 110955 [open access]

Vander Vorste, R., Obedzinski, M., Nossaman Pierce, S., Carlson, S.M. and Grantham, T.E. 2020. Refuges and ecological traps: extreme drought threatens persistence of an endangered fish in intermittent streams. Global Change Biology [open access]

Yarnell, S.M., Stein, E.D., Webb, J.A., Grantham, T.E., Lusardi, R.A., Zimmerman, J., Peek, R.A., Lane, B.A., Howard, J. and Sandoval‐Solis, S. 2020. A functional flows approach to selecting ecologically relevant flow metrics for environmental flow applications. River Research and Applications 36: 318-324 [pdf]


Grantham, T.E., Matthews, J.H. & Bledsoe, B.P. 2019. Shifting currents: Managing freshwater systems for ecological resilience in a changing climate. Water Security 8: 100049 [open access]

Mount, J., Gray, B., Bork, K., Cloern, J.E., Davis, F.W., Grantham, T.E., Grenier, L., Harder, J., Kuwayama, Y., Moyle, P., Schwartz, M.W., Whipple, A., Yarnell, S. 2019. A Path Forward for California’s Freshwater Ecosystems. Public Policy Institute of California Water Policy Center Report [pdf]

Eng, K., Carlisle, D.M., Grantham, T.E., Wolock, D.M., and Eng, R.L. 2019. Severity and extent of alterations to natural streamflow regimes based on hydrologic metrics in the conterminous United States, 1980–2014: U.S. Geological Survey Scientific Investigations Report 2019–5001 [pdf]

Carlisle, D.M., Grantham, T.E., Eng, K., Wolock, D.M., 2019, Regional-scale associations between indicators of biological integrity and indicators of streamflow modification: U.S. Geological Survey Open-File Report 2019–1088 [pdf]

Carlisle, D.M., Wolock, D.M., Konrad, C.P., McCabe, G.J., Eng, K., Grantham, T.E., and Mahler, B. 2019. Flow modifica­tion in the Nation’s streams and rivers: U.S. Geological Survey Circular 1461 [pdf]

Wilson, H., Bodwitch, H., Carah, J., Danne, K., Getz, C., Grantham, T.E. & Butsic, V. 2019. First known survey of cannabis production practices in California. California Agriculture 73(3-4): 119-127 [open access]

Dillis, C., Grantham, T.E., McIntee, C., McFadin, B. & Grady, K. 2019. Watering the Emerald Triangle: Irrigation sources used by cannabis cultivators in Northern California. 73(3-4): 146-153 [open access]

Bodwitch, H., Carah, C., Daane, K., Getz, C., Grantham, T.E., Hickey, G. & Wilson, H. 2019. Growers say cannabis legalization excludes small growers, supports illicit markets, undermines local economies. 73(3-4): [open access]

Grantham, T.E., Zimmerman, J.K.H., Carah, J.K., & Howard, J.K. 2019. Stream flow modeling tools inform environmental water policy in California. California Agriculture 73(1):33-39 [open access].


Grantham, T.E. 2018. North Coast Summary Report. California’s Fourth Climate Change Assessment. Publication number: SUM-CCC4A-2018-001 [pdf].

Mount, J., Hanak, E., Grantham, T.E., et al. 2018. Managing Drought in a Changing Climate. Public Policy Institute of California Water Policy Center Report [pdf].

Grantham, T. E., Carlisle, D. M., McCabe, G. J. & Howard, J. K. 2018. Sensitivity of streamflow to climate change in California. Climatic Change 149:427-441 [doi].

Nardi, F., Morrison, R. R., Annis, A. & Grantham, T. E. 2018. Hydrologic scaling for hydrogeomorphic floodplain mapping: Insights into human‐induced floodplain disconnectivity. River Research and Applications 34:675-685 [doi].

Howard, J. K., Fesenmyer, K. A., Grantham, T. E., Viers, J. H., Ode, P. R., Moyle, P. B., Kupferburg, S. J., Furnish, J. L., Rehn, A., Slusark, J. & Mazor, R. D. 2018. A freshwater conservation blueprint for California: prioritizing watersheds for freshwater biodiversity. Freshwater Science 37:417-431 [open access].

Kendy, E., Aylward, B., Ziemer, L. S., Richter, B. D., Colby, B. G., Grantham, T. E., Sanchez, L., Dicharry, W. B., Powell, E. M., Martin, S. & Culp, P. W. 2018. Water transactions for streamflow restoration, water supply reliability, and rural economic vitality in the western United States. JAWRA Journal of the American Water Resources Association 54: 487-504 [open access].


Zimmerman, J. K., Carlisle, D. M., May, J. T., Klausmeyer, K. R., Grantham, T. E., Brown, L. R., & Howard, J. K. 2017. Patterns and magnitude of flow alteration in California, USA. Freshwater Biology 63:859-873 [open access].

Grantham T., Kearns, F., Kocher, S., Roche, L. & Pathak T. 2017. Building climate change resilience in California through UC Cooperative Extension. California Agriculture 71:197-200 [open access].

Mount, J., Gray, B., Chappelle, C., Grantham, T., Moyle, P., Seavy, N., Szeptycki, L. & Thompson, B. 2017. Managing California’s Freshwater Ecosystems: Lessons from the 2012-16 Drought. Public Policy Institute of California Water Policy Center Report [pdf].

Carlisle, D.M., Grantham, T.E., Eng, K. and Wolock, D.M., 2017. Biological relevance of streamflow metrics: regional and national perspectives. Freshwater Science 36:927-940 [open access].

Eng, K., Grantham, T. E., Carlisle, D. M., & Wolock, D. M. 2017. Predictability and selection of hydrologic metrics in riverine ecohydrology. Freshwater Science 36:915-926 [open access].

Cid, N., Bonada, N., Carlson, S.M., Grantham, T.E., Gasith, A., Resh, V.H. 2017. High Variability Is a Defining Component of Mediterranean-Climate Rivers and Their Biota. Water 9 [open access].


Carlisle, D. M., Wolock, D.M., Howard, J.K., Grantham, T.E., Fesenmyer, K., Wieczorek, M.2016. Estimating natural monthly streamflows in California and the likelihood of anthropogenic modification. US Geological Survey Open File Report 2016–1189 [pdf].

Mount, J., Gray, B., Chappelle, C., Doolan, J., Grantham, T.E., Seavy, N. 2016. Managing Water for the Environment During Drought: Lessons for Victoria, Australia. Public Policy Institute of California Report Water Policy Center [pdf].

Grantham, T.E., Fesenmyer, K., Peek, R., Holmes, E., Viers, J.H., Quiñones, R., Bell, A., Howard, J., Moyle, P.B. 2016. Missing the boat on freshwater ecosystem conservation in California. Conservation Letters 10:77-85 [open access].


Poff, N.L., Brown, C., Grantham, T.E., Matthews, J., Palmer, M. et al. 2015. Sustainable water management under future uncertainty with eco-engineering decision scaling. Nature Climate Change 2765 [open access].

Howard, J.K, Klausmeyer, K.R., Fesenmyer, K.A., Furnish, J., Gardali, T., Grantham, T. et al. 2015. Patterns of freshwater species diversity, endemism, and vulnerability in California. PLoS ONE 10:e0130710 [open access].


Grantham, T.E., Viers, J.H. & Moyle, P.B. 2014. Systematic screening of dams for environmental flow assessment and implementation. BioScience 64:1006-1018 [pdf].

Grantham, T.E. & Viers, J.H. 2014. 100 years of California’s water rights system: patterns, trends and uncertainty. Environmental Research Letters 9:1-10 [open access].

Quiñones, R.M., Grantham, T.E., Harvey, B.N., Kiernan, J.D., Klasson, M., Wintzer, A.P., Moyle, P.B. 2014. Dam removal and anadromous salmonid (Oncorhynchus spp.) conservation in California. Reviews in Fish Biology 1-21 [pdf].

Grantham, T.E., Mezzatesta, M., Newburn, D. & Merenlender, A. 2014. Evaluating tradeoffs between environmental flow protections and agricultural water security. River Research and Applications 30:315-328 [pdf].


Grantham, T.E., de Figueroa, R. & Prat, N. 2013. Water management in mediterranean rivers: a multiregional assessment of physical impacts, ecological responses, and management strategies. Hydrobiologia 719:451-482 [pdf].

Kondolf, G.M., Podolak, K. & Grantham, T.E. 2013. Restoring Mediterranean-climate rivers. Hydrobiologia 719:527-545 [pdf].

Grantham, T.E. 2013. Use of hydraulic modelling to assess passage flow connectivity for salmon in streams. River Research and Applications 29:250-267 [pdf].


Cañedo-Argüelles, Grantham, T.E., Perrée, I., Rieradevall, M., Prat, N., Céspedes-Sánchez, R. & Martín Alonso, J. 2012. El mesocosmos Sostaqua: recreación de un ecosistema fluvial bajo condiciones experimentales controladas. Tecnología del Agua 344-345: 8-54.

Grantham, T.E., Newburn, D.A., McCarthy, M.A. & Merenlender, A.M. 2012. The role of stream flow and land use in limiting over-summer survival of juvenile steelhead trout in California streams. Transactions of the American Fisheries Society 141(3):585-598 [pdf].

Cañedo-Argüelles, Grantham, T.E., Perrée, I., Céspedes-Sánchez, R., Rieradevall, M. & Prat, N. 2012. Stream invertebrate community responses to salinization: a mesocosm approach. Environmental Pollution 166:144-151 [pdf].

Grantham, T.E., Perrée, I., Cañedo-Argüelles, M., Rieradevall, M. & Prat, N. 2012. A mesocosm approach for detecting stream invertebrate community responses to treated wastewater effluent. Environmental Pollution 160:95-102 [pdf].


Grantham, T.E., Merenlender, A. M. & Resh, V.H. 2010. Climatic influences and anthropogenic stressors: an integrated framework for stream-flow management in mediterranean-climate California, USA. Freshwater Biology 55(S1):184-200 [pdf].