Publications and Theses


Loken, L.C., Crawford, J.T., Schramm, P.J., Stadler, P., Desai, A.R., Stanley, E.H. 2019. Large Spatial and Temporal Variability of Carbon Dioxide and mnethane in a Eutrophic Lake.

Stadler, P., L.C. Loken, J.T. Crawford, P.J. Schramm, K. Sorsa, C. Kuhn, D. Savio, R.G. Striegl, D. Butman, E.H. Stanley, A.H. Farmleitner, M. Zessner. 2018. Spatial patterns of enzymatic activity in large water bodies: Ship-borne measurements of beta-D-glucuronidase activity as a rapid indicator of microbial water quality. Science of the Total Environment

Loken, L.C., J.T. Crawford, M.M. Dornblaser, R.G. Striegl, J.N. Houser, P.A. Turner, and E.H. Stanley. 2018. Limited nitrate retention capacity in the Upper Mississippi River. Environmental Research Letters

Crawford JT, Butman DE, Loken LC, Stadler P, Kuhn C, Striegl RG (2017) Spatial variability of CO2 concentrations and biogeochemistry in the Lower Columbia River. Inland Waters, doi:10.1080/20442041.2017.1366487.

Butitta VB, Cartpenter SR, Loken LC, Pace ML, Stanley EH (2017) Spatial early warming indicators in a lake manipulation. Ecosphere 8(10): doi:10.1002/ecs2.1941.

Crawford JT, Loken LC, West WE, Crary B, Spawn SA, Gubbins N, Jones SE, Striegl RG, Stanley EH (2017) Spatial heterogeneity of within-stream methane concentrations. Journal of Geophysical Research – Biogeosciences 122:1036–1048. doi:10.1002/2016JG003698.

Crawford JT, Loken LC, Stanley EH, Stets EG, Dornblaser MM, Striegl RG (2016) Basin scale controls on CO2 and CH4 emissions from the Upper Mississippi River. Geophysical Research Letters 43, doi:10.1002/2015GL067599.

Turner PA, Griffis TJ, Baker JM, Lee X, Crawford JT, Loken LC, Venterea RT (2016) Regional-scale controls on dissolved nitrous oxide in the Upper Mississippi River. Geophysical Research Letters, 43, doi:10.1002/2016GL068710.

Crawford JT, Loken LC, Casson NJ, Smith C, Stone AG, and Winslow LA (2015) High-speed limnology: Using advanced sensors to investigate spatial variability in biogeochemistry and hydrology. Environmental Science and Technology 49:442-450, doi:10.1021/es504773x.

Theses and Dissertations

Loken, L.C. 2018 Spatial heterogeneity of water chemistry within lakes and rivers. Ph.D. dissertation, Freshwater and Marine Sciences, University of Wisconsin-Madison.

Schramm, P.J. 2018. Modeling spatial variability of light extinction in north temperate lakes. M.S. thesis, Freshwater and Marine Sciences, University of Wisconsin-Madison.

Butitta, VB (2016) Evaluation of Spatial Analysis for Detecting Early Warning Indicators of a Regime Shift in Aquatic Ecosystems