Publications

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Report
Willis, A., Nichols A., Jeffres C., & Deas M. (2013).  Water Resources Management Planning: Conceptual Framework and Case Study of the Shasta Basin. PDF icon Water Resources Management Planning: Conceptual Framework and Case Study of the Shasta Basin (3.34 MB)
Willis, A. (2018).  South Fork Scott River: Preliminary Assessment of Bouvier Ranch for Coho Recovery. PDF icon Preliminary Assessment of Bouvier Ranch for Coho Recovery_FINAL_8-1-2018.pdf (1.43 MB)
Willis, A., & Deas M. (2012).  Response to Restoration: Water Temperature Conditions in Big Springs Creek and Surrounding Waterways, 2009-2011. PDF icon SBSR Response to Restoration: 2009-2011 (2.39 MB)
Nichols, A., Mount JF., Moyle P. B., Deas M., Jeffres C., Willis A., et al. (2010).  Longitudinal Baseline Assessment of Salmonid Habitat Characteristics of the Shasta River, March through September, 2008.
Deas, M., Nichols A., Jeffres C., Phillips K., & Willis A. (2015).  Little Springs Creek 2013-14 Baseline Assessment. PDF icon Little Springs Creek Baseline Assessment_021515 Final.pdf (3.59 MB)
Nichols, A. L., Willis A., Lambert D., Limanto E., & Deas M. (2016).  Little Shasta River Preliminary Assessment. PDF icon LittleShasta_2015assessment_final_04-11-2016.pdf (2.05 MB)
Nichols, A. L., Lusardi R. A., & Willis A. (2017).  Little Shasta River Aquatic Habitat Assessment 2016. PDF icon Little Shasta River Aquatic Habitat Assessment 2016.pdf (2.15 MB)
Lukk, A., Vasquez-Housely P., Lusardi R., & Willis A. D. (2019).  Little Shasta River 2017-2019: Pre-Project Assessment of the Proposition 1 Ecosystem Restoration Grant Activities. PDF icon LS_Pre-ProjectReport2019.pdf (3.97 MB)
Willis, A., Deas M., Jeffres C., Mount JF., Moyle P. B., & Nichols A. (2011).  Executive Analysis of Restoration Actions in Big Springs Creek March 2008-September 2011. PDF icon Read full study (4.34 MB)
Lund, J. R., Lord B., Fleenor W. E., & Willis A. (2014).  Drought Curtailment of Water Rights – Problems and Technical Solutions. 1-23.PDF icon Comments to State Water Resources Control Board on Drought Curtailment of Water Rights (2.95 MB)
Viers, J. H., Fogg G., Smart D., Fremier A. K., Nichols A. L., Phillips K., et al. (2015).  Cosumnes Research Group 3 Annual Report - 2014. PDF icon Cosumnes Research Group 3 annual report 2014 (1.8 MB)
Jeffres, C., Dahlgren R. A., Kiernan J. D., King A. M., Lusardi R. A., Nichols A., et al. (2009).  Baseline Assessment of Physical and Biological Conditions Within Waterways on Big Springs Ranch, Siskiyou County, California. PDF icon Read full study (9.11 MB)
Jeffres, C., Nichols A., Willis A., Mount JF., Moyle P. B., & Deas M. (2010).  Assessment of Restoration Actions on Big Springs Creek, Shasta River, California 2009-2010.
Journal Article
Nichols, A., Willis A., Jeffres C., & Deas M. (2014).  Water Temperature Patterns Below Large Groundwater Springs: Management Implications For Coho Salmon In The Shasta River, California. River Research and Applications. 30(4), PDF icon rra2655.pdf (1.16 MB)
Nichols, A. L., Lusardi R. A., & Willis A. D. (In Press).  Seasonal macrophyte growth constrains extent, but improves quality, of cold-water habitat in a spring-fed river. PDF icon Nichols_et_al-2020-Hydrological_Processes.pdf (2.24 MB)
Willis, A., Nichols A. L., Holmes E., Jeffres C., Fowler A. C., Babcock C. A., et al. (2017).  Seasonal aquatic macrophytes reduce water temperatures via a riverine canopy in a spring-fed stream. Freshwater Science. PDF icon Willis et al. 2017 Riverine canopy.pdf (1.16 MB)
Willis, A., Campbell A. M., Fowler A. C., Babcock C. A., Howard J. K., Deas M., et al. (2015).  Instream flows: new tools to quantify water quality conditions for returning adult Chinook salmon. Journal of Water Resources Planning and Management. PDF icon Instream flows: new tools to quantify water quality conditions for returning adult Chinook salmon (15.54 MB)
Willis, A. D., & Holmes E. (2019).  Eye in the Sky: Using UAV Imagery of Seasonal Riverine Canopy Growth to Model Water Temperature. Hydrology. 6(1), 
Willis, A., Lund J. R., Townsley E., & Faber B. (2011).  Climate Change and Flood Operations in the Sacramento Basin, California. San Francisco Estuary and Watershed Science. 9(2),