Maciej K Obryk, Ph.D.
I am a Research Hydrologist with the Cascades Volcano Observatory.
Research Interests
My research is generally focused on hydroclimatology and spans from the Antarctic to Cascade volcanoes. I’m interested in the response of the cryosphere, such as icy debris fields or perennially ice-covered lakes, to changing climate. I currently manage a large-scale experimental debris flow flume facility and my primary research is on the initiation and rapid movement of icy/rocky debris flows, which occur on the volcanoes’ flanks.
My ad hoc projects are:
-assessing landslide inventory completeness
-testing off-the-shelf technologies for debris flow detection
Professional Experience
Research Hydrologist, USGS, Cascades Volcano Observatory, 2019-present
Hydrologist, USGS, Cascades Volcano Observatory, 2017-2019
Postdoctoral Fellow, Department of Geology, Portland State University, 2014-2017
Postdoctoral Fellow, Department of Geology and Geophysics, Louisiana State University, 2014-2017
Education and Certifications
B.S., Earth and Environmental Science, University of Illinois at Chicago, 2008
Ph.D., Earth and Environmental Science, University of Illinois at Chicago, 2014
Science and Products
Filter Total Items: 14
Drivers of solar radiation variability in the McMurdo Dry Valleys, Antarctica Drivers of solar radiation variability in the McMurdo Dry Valleys, Antarctica
Annually averaged solar radiation in the McMurdo Dry Valleys, Antarctica has varied by over 20 W m−2 during the past three decades; however, the drivers of this variability are unknown. Because small differences in radiation are important to water availability and ecosystem functioning in polar deserts, determining the causes are important to predictions of future desert processes. We...
Authors
Maciej Obryk, Andrew G. Fountain, Peter Doran, Berry Lyons, Ryan Eastman
Video documentation of experiments at the USGS debris-flow flume 1992–2017 Video documentation of experiments at the USGS debris-flow flume 1992–2017
This set of videos presents about 18 hours of footage documenting the 163 experiments conducted at the USGS debris-flow flume from 1992 to 2017. Owing to improvements in video technology over the years, the quality of footage from recent experiments generally exceeds that from earlier experiments. Use the list below to access the individual videos, which are mostly grouped by date and...
Authors
Matthew Logan, Richard M. Iverson
Non-USGS Publications**
Spigel, R. H., Priscu, J. C., Obryk, M. K., Stone, W., Doran, P. T., 2018. The physical limnology of a permanently ice-covered and chemically stratified Antarctic lake using high resolution spatial data from an autonomous underwater vehicle. Limnology and Oceanography, doi: 10.1002/lno.10768.
Fountain, A. G., Fernandez-Diaz, J. C., Obryk, M. K., Levy, J., Gooseff, M., van Horn, D., Morin, P., Shrestha, R., 2017. High-resolution elevation mapping of the McMurdo Dry Valleys, Antarctica, and surrounding regions. Earth System Science Data, doi: 10.5194/essd-9-435-2017.
Obryk, M. K., Doran, P. T., Waddington, E. D., McKay, C. P., 2017. The influence of foehn winds on Glacial Lake Washburn and paleotemperatures in the McMurdo Dry Valleys, Antarctica, during the Last Glacial Maximum. Antarctic Science, doi: 10.1017/S0954102017000062.
Sudman, Z., Gooseff, M., Fountain, A. G., Levy, J. S., Obryk, M. K., van Horn, D., 2017. Impacts of permafrost degradation on a stream in Taylor Valley, Antarctica. Geomorphology, doi: 10.1016/j.geomorph.2017.02.009.
Obryk, M. K., Doran, P. T., Friedlaender, A. S., Gooseff, M. N., Li, W., Morgan-Kiss, R. M., Priscu, J. C., Schofield, O., Stammerjohn, S., Steinberg, D. K., Ducklow, H. W., 2016. Responses of Antarctic marine and freshwater ecosystems to changing ice conditions. BioScience, doi: 10.1093/biosci/biw109.
Fountain, A. G., Saba, G., Adams, B., Doran, P. T., Fraser, W., Gooseff, M., Obryk, M. K., Priscu, J. C., Stammerjohn, S., Virginia, R. A., 2016. The impact of a large-scale climate event on Antarctic ecosystem processes. BioScience, doi: 10.1093/biosci/biw110.
Castendyk, D., Obryk, M. K., Leidman, S. Z., Gooseff, M., Hawes, I., 2016. Lake Vanda: a sentinel for climate change in the McMurdo Sound region of Antarctica. Global and Planetary Change, doi: 10.1016/j.gloplacha.2016.06.007.
Obryk, M. K., Doran, P. T., Hicks, J. A., Priscu, J. C., 2016. Modeling the thickness of perennial ice covers on stratified lakes of the Taylor Valley, Antarctica. Journal of Glaciology, doi: 10.1017/jog.2016.69.
Hawes, I., Jungblut, A. D., Obryk, M. K., Doran, P. T., 2016. Growth dynamics of laminated microbial mats in response to variable irradiance in an Antarctic lake. Freshwater Biology, doi: 10.1111/fwb.12715.
Dugan, H. A., Arcone, S. A., Obryk, M. K., Doran, P. T., 2016. High-resolution ground penetrating radar profiles of perennial lake ice in the McMurdo Dry Valleys: Horizon attributes, unconformities and subbottom penetration. Geophysics, doi:10.1190/geo2015-0159.1.
Allen, P. P., Hewitt, R., Obryk, M. K., Doran, P. T., 2015. Sediment transport dynamics on an ice-covered lake: the “floating” boulders of Lake Hoare, Antarctica. Antarctic Science, doi:10.1017/S0954102014000558.
Obryk, M. K., Doran, P. T., Priscu, J. C., 2014. The permanent ice-cover of Lake Bonney, Antarctica: The influence of thickness and sediment distribution on photosynthetically available radiation and chlorophyll-a distribution in the underlying water column, JGR Biogeoscience, doi:10.1002/2014JG002672.
Obryk, M. K., 2014. Hydrological and Biogeochemical Modeling of Taylor Valley Lakes, East Antarctica. Ph.D. thesis. Department of Earth and Environmental Science, University of Illinois at Chicago.
Dugan, H. D., Obryk, M. K., and Doran, P. T., 2013. Lake ice ablation rates from permanently ice-covered Antarctic lakes. Journal of Glaciology, doi:10.3189/2013JoG12J080.
**Disclaimer: The views expressed in Non-USGS publications are those of the author and do not represent the views of the USGS, Department of the Interior, or the U.S. Government.
Science and Products
Filter Total Items: 14
Drivers of solar radiation variability in the McMurdo Dry Valleys, Antarctica Drivers of solar radiation variability in the McMurdo Dry Valleys, Antarctica
Annually averaged solar radiation in the McMurdo Dry Valleys, Antarctica has varied by over 20 W m−2 during the past three decades; however, the drivers of this variability are unknown. Because small differences in radiation are important to water availability and ecosystem functioning in polar deserts, determining the causes are important to predictions of future desert processes. We...
Authors
Maciej Obryk, Andrew G. Fountain, Peter Doran, Berry Lyons, Ryan Eastman
Video documentation of experiments at the USGS debris-flow flume 1992–2017 Video documentation of experiments at the USGS debris-flow flume 1992–2017
This set of videos presents about 18 hours of footage documenting the 163 experiments conducted at the USGS debris-flow flume from 1992 to 2017. Owing to improvements in video technology over the years, the quality of footage from recent experiments generally exceeds that from earlier experiments. Use the list below to access the individual videos, which are mostly grouped by date and...
Authors
Matthew Logan, Richard M. Iverson
Non-USGS Publications**
Spigel, R. H., Priscu, J. C., Obryk, M. K., Stone, W., Doran, P. T., 2018. The physical limnology of a permanently ice-covered and chemically stratified Antarctic lake using high resolution spatial data from an autonomous underwater vehicle. Limnology and Oceanography, doi: 10.1002/lno.10768.
Fountain, A. G., Fernandez-Diaz, J. C., Obryk, M. K., Levy, J., Gooseff, M., van Horn, D., Morin, P., Shrestha, R., 2017. High-resolution elevation mapping of the McMurdo Dry Valleys, Antarctica, and surrounding regions. Earth System Science Data, doi: 10.5194/essd-9-435-2017.
Obryk, M. K., Doran, P. T., Waddington, E. D., McKay, C. P., 2017. The influence of foehn winds on Glacial Lake Washburn and paleotemperatures in the McMurdo Dry Valleys, Antarctica, during the Last Glacial Maximum. Antarctic Science, doi: 10.1017/S0954102017000062.
Sudman, Z., Gooseff, M., Fountain, A. G., Levy, J. S., Obryk, M. K., van Horn, D., 2017. Impacts of permafrost degradation on a stream in Taylor Valley, Antarctica. Geomorphology, doi: 10.1016/j.geomorph.2017.02.009.
Obryk, M. K., Doran, P. T., Friedlaender, A. S., Gooseff, M. N., Li, W., Morgan-Kiss, R. M., Priscu, J. C., Schofield, O., Stammerjohn, S., Steinberg, D. K., Ducklow, H. W., 2016. Responses of Antarctic marine and freshwater ecosystems to changing ice conditions. BioScience, doi: 10.1093/biosci/biw109.
Fountain, A. G., Saba, G., Adams, B., Doran, P. T., Fraser, W., Gooseff, M., Obryk, M. K., Priscu, J. C., Stammerjohn, S., Virginia, R. A., 2016. The impact of a large-scale climate event on Antarctic ecosystem processes. BioScience, doi: 10.1093/biosci/biw110.
Castendyk, D., Obryk, M. K., Leidman, S. Z., Gooseff, M., Hawes, I., 2016. Lake Vanda: a sentinel for climate change in the McMurdo Sound region of Antarctica. Global and Planetary Change, doi: 10.1016/j.gloplacha.2016.06.007.
Obryk, M. K., Doran, P. T., Hicks, J. A., Priscu, J. C., 2016. Modeling the thickness of perennial ice covers on stratified lakes of the Taylor Valley, Antarctica. Journal of Glaciology, doi: 10.1017/jog.2016.69.
Hawes, I., Jungblut, A. D., Obryk, M. K., Doran, P. T., 2016. Growth dynamics of laminated microbial mats in response to variable irradiance in an Antarctic lake. Freshwater Biology, doi: 10.1111/fwb.12715.
Dugan, H. A., Arcone, S. A., Obryk, M. K., Doran, P. T., 2016. High-resolution ground penetrating radar profiles of perennial lake ice in the McMurdo Dry Valleys: Horizon attributes, unconformities and subbottom penetration. Geophysics, doi:10.1190/geo2015-0159.1.
Allen, P. P., Hewitt, R., Obryk, M. K., Doran, P. T., 2015. Sediment transport dynamics on an ice-covered lake: the “floating” boulders of Lake Hoare, Antarctica. Antarctic Science, doi:10.1017/S0954102014000558.
Obryk, M. K., Doran, P. T., Priscu, J. C., 2014. The permanent ice-cover of Lake Bonney, Antarctica: The influence of thickness and sediment distribution on photosynthetically available radiation and chlorophyll-a distribution in the underlying water column, JGR Biogeoscience, doi:10.1002/2014JG002672.
Obryk, M. K., 2014. Hydrological and Biogeochemical Modeling of Taylor Valley Lakes, East Antarctica. Ph.D. thesis. Department of Earth and Environmental Science, University of Illinois at Chicago.
Dugan, H. D., Obryk, M. K., and Doran, P. T., 2013. Lake ice ablation rates from permanently ice-covered Antarctic lakes. Journal of Glaciology, doi:10.3189/2013JoG12J080.
**Disclaimer: The views expressed in Non-USGS publications are those of the author and do not represent the views of the USGS, Department of the Interior, or the U.S. Government.