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Ken Mankoff

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Contact

Name Ken Mankoff
Email contact@kenmankoff.com
Home Page http://kenmankoff.com
CV http://kenmankoff.com/mankoff_cv.pdf
Current role(s) Senior Associate Scientist, Cooperative Institute for Research in Environmental Sciences (CIRES); Software Developer, National Snow and Ice Data Center (NSIDC)

About

I am a research scientist studying ice sheets and polar oceans as indicators of climate change. I am formally trained as a computer scientist and earth scientist focusing on polar glacier hydrology and oceanography. I regularly work or have worked in the following areas:

  • Reproducible computational workflows and scientific publications using open source tools.
  • Remote sensing including spacecraft operations and mission control, sensor calibration, and end-user imagery use.
  • Collecting data from remote field sites such as underneath a glacier, within a crevasse field, or from the ocean at the edge of calving glaciers.
  • Leading logistically complicated field campaigns with international stakeholders and participants ranging from multi-national corporations to Ph.D. students.
  • Custom or novel sensor life-cycle - Design, development, construction, deployment, operation, and field repair/debugging.
  • Public outreach and education including popular press interviews, museum display creation, and speaking engagements on all seven continents from the U.N. General Assembly Room to kindergarten classrooms.

For more information, please read the relevant publications or my CV.

Photos

Here are some photos from some of my fieldwork. Many of these have papers (listed below) describing the project in more detail.

Antarctic Selfie

mankoff.jpg

Recovering an airplane engine from a crevasse field

(Photo by Austin Lines)

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Driving the WHOI JetYak

jetyak.png

Rappelling into a glacier moulin

(Photo by Jennifer Macalady)

moulin.jpg

Working inside a subglacial conduit

(Photo by Matt Covington)

conduit_work.JPG

Pancake ice

pancake.JPG

Publications

  1. J. E. Box, A. Hubbard, D. B. Bahr, W. T. Colgan, X. Fettweis, K. D. Mankoff, A. Wehrlé, B. Noël, M. R. van den Broeke, B. Wouters, A. A. Bjørk, and R. S. Fausto. "Greenland ice sheet climate disequilibrium and committed sea-level rise". Nature Climate Change. 2022, 12 (9), 808–813. DOI: 10.1038/s41558-022-01441-2.

  2. M. Oksman, A. B. Kvorning, S. H. Larsen, K. K. Kjeldsen, Mankoff, K. D., W. Colgan, T. J. Andersen, N. Nørgaard-Pedersen, M.-S. Seidenkrantz, N. Mikkelsen, and S. Ribeiro. "Impact of freshwater runoff from the southwest Greenland Ice Sheet on fjord productivity since the late 19th century". The Cryosphere. 2022, 16 (6), 2471–2491. DOI: 10.5194/tc-16-2471-2022.

  3. W. Colgan, A. Wansing, K. D. Mankoff, M. Lösing, J. Hopper, K. Louden, J. Ebbing, F. G. Christiansen, T. Ingeman-Nielsen, L. C. Liljedahl, J. A. MacGregor, Á. Hjartarson, S. Bernstein, N. B. Karlsson, S. Fuchs, J. Hartikainen, J. Liakka, R. S. Fausto, D. Dahl-Jensen, A. Bjørk, J.-O. Naslund, F. Mørk, Y. Martos, N. Balling, T. Funck, K. K. Kjeldsen, D. Petersen, U. Gregersen, G. Dam, T. Nielsen, S. A. Khan, and A. Løkkegaard. "Greenland Geothermal Heat Flow Database and Map (Version 1)". Earth System Science Data. 2022, 14 (5), 2209–2238. DOI: 10.5194/essd-14-2209-2022.

  4. T. J. Young, P. Christoffersen, M. Bougamont, S. M. Tulaczyk, B. Hubbard, K. D. Mankoff, K. W. Nicholls, and C. L. Stewart. "Rapid basal melting of the Greenland Ice Sheet from surface meltwater drainage". Proceedings of the National Academy of Sciences. 2022, 119 (10), e2116036119. DOI: 10.1073/pnas.2116036119.

  5. K. D. Mankoff, X. Fettweis, P. L. Langen, M. Stendel, K. K. Kjeldsen, N. B. Karlsson, B. Noël, M. R. van den Broeke, A. Solgaard, W. Colgan, J. E. Box, S. B. Simonsen, M. D. King, A. P. Ahlstrøm, S. B. Andersen, and R. S. Fausto. "Greenland ice sheet mass balance from 1840 through next week". Earth System Science Data. 2021, 13 (10), 5001–5025. DOI: 10.5194/essd-13-5001-2021 [PDF].

  6. R. S. Fausto, D. van As, K. D. Mankoff, B. Vandecrux, M. Citterio, A. P. Ahlstrøm, S. B. Andersen, W. Colgan, N. B. Karlsson, K. K. Kjeldsen, N. J. Korsgaard, S. H. Larsen, S. Nielsen, A. Ø. Pedersen, C. L. Shields, A. M. Solgaard, and J. E. Box. "Programme for Monitoring of the Greenland Ice Sheet (PROMICE) automatic weather station data". Earth System Science Data. 2021, 13 (8), 3819–3845. DOI: 10.5194/essd-13-3819-2021 [PDF].

  7. A. Solgaard, A. Kusk, J. P. M. Boncori, J. Dall, K. D. Mankoff, A. P. Ahlstrøm, S. B. Andersen, M. Citterio, N. B. Karlsson, K. K. Kjeldsen, N. J. Korsgaard, S. H. Larsen, and R. S. Fausto. "Greenland ice velocity maps from the PROMICE project". Earth System Science Data. 2021, 13 (7), 3491–3512. DOI: 10.5194/essd-13-3491-2021 [PDF].

  8. K. Hansen, M. Truffer, A. Aschwanden, K. Mankoff, M. Bevis, A. Humbert, M. R. Broeke, B. Noël, A. Bjørk, W. Colgan, K. H. Kjær, S. Adhikari, V. Barletta, and S. A. Khan. "Estimating Ice Discharge at Greenland's Three Largest Outlet Glaciers Using Local Bedrock Uplift". Geophysical Research Letters. 2021, 48 (14). DOI: 10.1029/2021gl094252 [PDF].

  9. N. B. Karlsson, A. M. Solgaard, K. D. Mankoff, F. Gillet-Chaulet, J. A. MacGregor, J. E. Box, M. Citterio, W. T. Colgan, S. H. Larsen, K. K. Kjeldsen, N. J. Korsgaard, D. I. Benn, I. J. Hewitt, and R. S. Fausto. "A first constraint on basal melt-water production of the Greenland ice sheet". Nature Communications. 2021, 12 (1). DOI: 10.1038/s41467-021-23739-z [PDF].

  10. W. Colgan, J. A. MacGregor, K. D. Mankoff, R. Haagenson, H. Rajaram, Y. M. Martos, M. Morlighem, M. A. Fahnestock, and K. K. Kjeldsen. "Topographic Correction of Geothermal Heat Flux in Greenland and Antarctica". Journal of Geophysical Research: Earth Surface. 2021, 126 (2). DOI: 10.1029/2020jf005598 [PDF].

  11. K. D. Mankoff, B. Noël, X. Fettweis, A. P. Ahlstrøm, W. Colgan, K. Kondo, K. Langley, S. Sugiyama, D. van As, and R. S. Fausto. "Greenland liquid water discharge from 1958 through 2019". Earth System Science Data. 2020, 12 (4), 2811–2841. DOI: 10.5194/essd-12-2811-2020 [PDF].

  12. K. D. Mankoff, A. Solgaard, W. Colgan, A. P. Ahlstrøm, S. A. Khan, and R. S. Fausto. "Greenland Ice Sheet solid ice discharge from 1986 through March 2020". Earth System Science Data. 2020, 12 (2), 1367-1383. DOI: 10.5194/essd-12-1367-2020 [PDF]

  13. K. D. Mankoff, D. van As, A. Lines, T. Bording, J. Elliott, R. Kraghede, H. Cantalloube, H. Oriot, P. Dubois-Fernandez, O. Ruault du Plessis, A. Vest Christiansen, E. Auken, K. Hansen, W. Colgan, and N. B. Karlsson. "Search and recovery of aircraft parts in ice-sheet crevasse fields using airborne and in situ geophysical sensors". Journal of Glaciology. 2020, 66 (257), 496-508. DOI: 10.1017/jog.2020.26 [PDF]

  14. A. Kokhanovsky, J. E. Box, B. Vandecrux, K. D. Mankoff, M. Lamare, A. Smirnov, and M. Kern. "The Determination of Snow Albedo from Satellite Measurements Using Fast Atmospheric Correction Technique". Remote Sensing. 2020, 12 (2), 234. DOI: 10.3390/rs12020234

  15. A. Kokhanovsky, M. Lamare, O. Danne, C. Brockmann, M. Dumont, G. Picard, L. Arnaud, V. Favier, B. Jourdain, E. Lemeur, B. Di Mauro, T. Aoki, M. Niwano, V. Rozanov, S. Korkin, S. Kipfstuhl, J. Freitag, M. Hoerhold, A. Zuhr, D. Vladimirova, A.-K. Faber, H. C. Steen- Larsen, S. Wahl, J. K. Andersen, B. Vandecrux, D. van As, K. D. Mankoff, M. Kern, E. Zege, and J. E. Box. "Retrieval of Snow Properties from the Sentinel-3 Ocean and Land Colour Instrument". Remote Sensing. 2019, 11 (19), 2280. DOI: 10.3390/rs11192280

  16. K. D. Mankoff, W. Colgan, A. Solgaard, N. B. Karlsson, A. P. Ahlstrøm, D. van As, J. E. Box, S. A. Khan, K. K. Kjeldsen, J. Mouginot, and R. S. Fausto. "Greenland Ice Sheet solid ice discharge from 1986 through 2017". Earth System Science Data. 2019, 11 (2), 769-786. DOI: 10.5194/essd-11-769-2019 [PDF]

  17. J. K. Andersen, R. S. Fausto, K. Hansen, J. E. Box, S. B. Andersen, A. P. Ahlstrøm, D. V. As, M. Citterio, W. Colgan, N. B. Karlsson, K. K. Kjeldsen, N. J. Korsgaard, S. H. Larsen, K. D. Mankoff, A. Ø. Pedersen, C. L. Shields, A. Solgaard, and B. Vandecrux. "Update of annual calving front lines for 47 marine terminating outlet glaciers in Greenland (1999–2018)". Geological Survey of Denmark and Greenland Bulletin. 2019, 43. DOI: 10.34194/geusb-201943-02-02.

  18. W. Colgan, K. D. Mankoff, K. K. Kjeldsen, A. A. Bjørk, J. E. Box, S. B. Simonsen, L. S. Sørensen, S. A. Khan, A. M. Solgaard, R. Forsberg, H. Skourup, L. Stenseng, S. S. Kristensen, S. Hvidegaard, M. Citterio, N. Karlsson, X. Fettweis, A. P. Ahlstrøm, S. B. Andersen, D. van As, and R. S. Fausto. "Greenland ice sheet mass balance assessed by PROMICE (1995 – 2015)". Geological Survey of Denmark and Greenland Bulletin. 2019, 43, e2019430201. DOI: 10.34194/GEUSB-201943-02-01 [PDF]

  19. R. S. Fausto and the PROMICE team. "The Greenland ice sheet – snowline elevations at the end of the melt seasons from 2000 to 2017". Geological Survey of Denmark and Greenland Bulletin. 2018, 41, 71–74. DOI: 10.34194/geusb.v41.4346.

  20. Y. Chen, X. Liu, J. D. Gulley, and K. D. Mankoff. "Subglacial Conduit Roughness: Insights From Computational Fluid Dynamics Models". Geophysical Research Letters. 2018, 45, (20), 11206-11218. DOI: 10.1029/2018gl079590

  21. K. D. Mankoff, J. D. Gulley, S. M. Tulaczyk, M. D. Covington, X. Liu, Y. Chen, D. I. Benn, and P. S. Głowacki. "Roughness of a subglacial conduit under Hansbreen, Svalbard". Journal of Glaciology. 2017, 239, 423–435. DOI: 10.1017/jog.2016.134

  22. K. D. Mankoff and S. M. Tulaczyk. "The past, present, and future viscous heat dissipation available for Greenland subglacial conduit formation". The Cryosphere. 2017, 11, 303–317. DOI: 10.5194/tc-11-303-2017 [PDF]

  23. K. D. Mankoff, F. Straneo, C. Cenedese, S. B. Das, C. G. Richards, and H. Singh. "Structure and dynamics of a subglacial discharge plume in a Greelandic fjord". Journal of Geophysical Research: Oceans. 2016, 121(12), 8670-8688. DOI: 10.1002/2016JC011764 [PDF]

  24. T. O. Hodson, R. D. Powell, S. A. Brachfeld, S. Tulaczyk, R. P. Scherer, and WISSARD Science Team. "Physical processes in Subglacial Lake Whillans, West Antarctica: Inferences from sediment cores". Earth and Planetary Science Letters. 2016, 444, 56–63. DOI: 10.1016/j.epsl.2016.03.036.

  25. J. A. Mikucki, P. A. Lee, D. Ghosh, A. M. Purcell, A. C. Mitchell, K. D. Mankoff, A. T. Fisher, S. Tulaczyk, S. Carter, M. R. Siegfried, H. A. Fricker, T. Hodson, J. Coenen, R. Powell, R. Scherer, T. Vick-Majors, A. A. Achberger, B. C. Christner, and M. Tranter. "Subglacial Lake Whillans microbial biogeochemistry: a synthesis of current knowledge". Philosophical Transactions of the Royal Society A. 2015, 374 (2059), 20140290. DOI: 10.1098/rsta.2014.0290 [PDF]

  26. A. T. Fisher, K. D. Mankoff, S. M. Tulaczyk, S. W. Tyler, N. Foley, and the WISSARD Science Team. "High Geothermal Heat Flux Measured below the West Antarctic Ice Sheet". Science Advances. 2015, 1 (6), e1500093. DOI: 10.1126/sciadv.1500093 [PDF]

  27. A. A. Harpold, J. A. Marshall, S. W. Lyon, T. B. Barnhart, B. Fisher, M. Donovan, K. M. Brubaker, C. J. Crosby, N. F. Glenn, C. L. Glennie, P. B. Kirchner, N. Lam, K. D. Mankoff, J. L. McCreight, N. P. Molotch, K. N. Musselman, J. Pelletier, T. Russo, H. Sangireddy, Y. Sjoberg, T. Swetnam, and N. West. "Laser Vision: Lidar as a Transformative Tool to Advance Critical Zone Science". Hydrology and Earth System Sciences. 2015, 19, 2881–2897. DOI: 10.5194/hess-19-2881-2015 [PDF]

  28. P. Kimball, J. Bailey, S. B. Das, R. Geyer, T. Harrison, C. Kunz, K. Manganini, K. D. Mankoff, K. Samuelson, T. Sayre-McCord, F. Straneo, P. Traykovski, and H. Singh. "The WHOI Jetyak: An Autonomous Surface Vehicle for Oceanographic Research in Shallow or Dangerous Waters". 2014 IEEE/OES Autonomous Underwater Vehicles (AUV). 1-7. 2014. DOI: 10.1109/AUV.2014.7054430 [PDF]

  29. S. M. Tulaczyk, J. A. Mikucki, M. R. Siegfried, C. G. Barcheck, L. H. Beem, A. Behar, J. Burnett, B. C. Christner, A. T. Fisher, H. A. Fricker, K. D. Mankoff, F. Rack, J. C. Priscu, R. D. Powell, D. Sampson, R. P. Scherer, S. Y. Schwartz, and the WISSARD Science Team. "WISSARD at subglacial Lake Whillans: Scientific operations and initial observations". Journal of Glaciology, 5(65), 2014. DOI: 10.3189/2014AoG65A009 [PDF]

  30. B. C. Christner, J. C. Priscu, A. M. Achberger, C. Barbante, S. P. Carter, K. Christianson, A. B. Bichaud, J. A. Mikucki, A. C. Mitchell, M. L. Skidmore, T. J. Vick-Majors, and The WISSARD Science Team. "A microbial ecosystem beneath the West Antarctic ice sheet". Nature, 512:310 - 313. 2014. DOI: 10.1038/nature13667 [PDF]

  31. K. D. Mankoff and T. A. Russo. "The Kinect: A low-cost, high-resolution, short-range, 3D camera". Earth Surface Processes and Landforms, 38(9):926 - 936, 2013. DOI: 10.1002/esp.3332 [PDF]

  32. K. D. Mankoff, S. S. Jacobs, S. M. Tulaczyk, and S. E. Stammerjohn. "The role of Pine Island Glacier ice shelf basal channels in deep-water upwelling, polynyas and ocean circulation in Pine Island Bay, Antarctica". Annals of Glaciology, 53(60):23 - 28, 2012. DOI: 10.3189/2012AoG60A062 [PDF]

  33. S. Passchier, G. Browne, B. Field, C. R. Fielding, L. A. Krissek, K. Panter, S. F. Pekar, and ANDRILL-SMS Science Team. "Early and middle Miocene Antarctic glacial history from the sedimentary facies distribution in the AND-2A drill hole, Ross Sea, Antarctica". Geological Society of America Bulletin. Apr. 2011, 123 (11-12), 2352–2365. DOI: 10.1130/b30334.1

  34. T. D. Frank, Z. Gui, and the ANDRILL SMS Science Team. "Cryogenic origin for brine in the subsurface of southern McMurdo Sound, Antarctica". Geology. July 2010, 38 (7), 587–590. DOI: 10.1130/g30849.1

  35. S. Warny, R. A. Askin, M. J. Hannah, B. A. R. Mohr, J. I. Raine, D. M. Harwood, F. Florindo, and the SMS Science Team. "Palynomorphs from a sediment core reveal a sudden remarkably warm Antarctica during the middle Miocene". Geology. Oct. 2009, 37 (10), 955–958. DOI: 10.1130/g30139a.1

  36. S. P. Shukla, M. A. Chandler, J. Jonas, L. E. Sohl, K. D. Mankoff, and H. J. Dowsett. "Impact of a Permanent El Nino and Indian Ocean Dipole in Warm Pliocene Climates". Paleoceanography, 24(PA2221), 2009. DOI: 10.1029/2008PA001682 [PDF]

  37. L. T. Huffman, R. H. Levy, L. Lacy, D. M. Harwood, M. Berg, M. Cattadori, J. Diamond, J. Dooley, L. Dahlman, R. Frisch-Gleason, J. Hubbard, R. Lehmann, K. D. Mankoff, V. Miller, K. Pound, G. S. di Clemente, A. Siegmund, J. Thomson, E. Trummel, R. Williams, and The ANDRILL SMS Project Science Team. "Education and Outreach in the ANDRILL McMurdo Ice Shelf (MIS) and the Southern McMurdo Sound (SMS) Projects, Antarctica". Terra Antarctica, 15(1):221 - 235, 2008. [PDF]

  38. D. Mankoff, A. Dey, J. Mankoff, and K. D. Mankoff. "Supporting interspecies social awareness: using peripheral displays for distributed pack awareness". Proceedings of the 18th annual ACM symposium on User interface software and technology. ACM New York, NY, USA. 2005, pp. 253–258.

  39. S. M. Petrinec, W. L. Imhof, C. A. Barth, K. D. Mankoff, D. N. Baker, and J. G. Luhmann. "Comparisons of thermospheric high-latitude nitric oxide observations from SNOE and global auroral X-ray bremsstrahlung observations from PIXIE". Journal of Geophysical Research, 108(A3):1223, 2003. DOI: 10.1029/2002JA009451>10.1029/2002JA009451 [PDF]

  40. C. A. Barth, K. D. Mankoff, S. M. Bailey, and S. C. Solomon. "Global observations of nitric oxide in the thermosphere". Journal of Geophysical Research, 108(A1):1027, 2003. DOI: 10.1029/2002JA009458 [PDF]

  41. C. A. Barth, D. N. Baker, K. D. Mankoff, and S. M. Bailey. "Magnetospheric control of the energy input into the thermosphere". Geophysical Research Letters, 29(13):1629, 2002. DOI: 10.1029/2001GL014362 [PDF]

  42. D. N. Baker, C. A. Barth, K. D. Mankoff, S. G. Kanekal, S. M. Bailey, G. M. Mason, and J. E. Mazur. "Relationships between precipitating auroral zone electrons and lower thermospheric nitric oxide densities: 1998-2000". Journal of Geophysical Research, 106(A11):24465 - 24480, 2001. DOI: 10.1029/2001JA000078 [PDF]

  43. C. A. Barth, D. N. Baker, K. D. Mankoff, and S. M. Bailey. "The northern auroral region as observed in nitric oxide". Geophysical Research Letters, 38(8):1463 - 1466, 2001. DOI: 10.1029/2000GL012649 [PDF]

Author: Ken Mankoff

Created: 2022-10-01 Sat 13:06

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