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Latest News & Publications

2022 / 05 / 16
Meghan Hunter-Gauthier joins the Northern Hydrometeorology Group as a Research Skills Trainee while Abhishek Arora joins the group as a part-time Undergraduate Research Assistant. Welcome Meghan and Abhi!

2022 / 05 / 02
Jade Reynolds joins the Northern Hydrometeorology Group as an Undergraduate Research Assistant/field technician. Welcome Jade!

2022 / 04 / 25
Stephen delivered a talk entitled "Rivers in the sky: Unraveling the atmospheric river phenomenon" as part of the Exploration Place's Adult Speaker Series.

2022 / 04 / 19-22
Kelly, Derek, Spencer & Stephen deployed a new meteorological station in Terrace at UNBC's Northwest campus in an effort to improve monitoring, understanding and prediction of atmospheric rivers.

2022 / 03 / 16
The latest IRC quarterly newsletter is now available here.

2022 / 03 / 04
Kelly delivered a poster presentation on the Tahtsa Ranges Atmospheric River Experiment (TRARE) as part of UNBC's Research Week.

2022 / 03 / 02
Jingwen delivered a talk on climate change projections in the Nechako Watershed as part of UNBC's Research Week.

2022 / 03 / 01
The NHG is pleased to welcome Kelly Hurley as the new research manager to the group.

2022 / 02 / 28
Rajtantra and Stephen presented their latest findings at UNBC's Research Week.

2022 / 02 / 24
Stephen delivered a presentation titled "Climate change and water security research at UNBC" to the BC Hydro Board of Directors.

2022 / 02 / 22
We are pleased to announce the forthcoming creation of the "Monitoring Extreme Climate and Hydrometeorological Events" or MECHE observatory with support from the Canada Foundation for Innovation, the Partnering Fund of the BC Real Estate Foundation and pending support from the BC Knowledge Development Fund. Please consult the UNBC media release and video for details on this funding announcement.

2022 / 02 / 11
Onwukwe, C., Jackson, P. L., and Déry, S. J., 2022: Intercomparison of atmospheric forcing datasets and two PBL schemes for precipitation modeling over a coastal valley in northern British Columbia, Canada, Meteorological Applications, 29(1), e2043, Full Document.

2022 / 01 / 24
Tamar Richards-Thomas rejoins the NHG as a part-time Research Skills Trainee - welcome back to the team Tamar!

2022 / 01 / 01
The NHG wishes everyone all the best in 2022!

2021 / 12 / 25
Hou,Y., Wei, X., Vore, M., Déry, S. J., Pypker, T., Giles-Hansen, K., 2022: Cumulative forest disturbances decrease runoff in two boreal forested watersheds of the northern interior of British Columbia, Canada, Journal of Hydrology, 605, 127362. Full Document

2021 / 12 / 15
Stephen, on behalf of co-authors Tricia Stadnyk, Tara Troy and Marco Hernandez-Henriquez, delivered a poster presentation titled "Vanishing weekly cycles in American and Canadian hydropeaking rivers" at the AGU21 conference.

2021 / 12 / 09
Read further details on the main findings and implications of diminishing weekly hydropeaking cycles in this UNBC media release.

2021 / 12 / 09
Déry, S. J., Hernández-Henríquez, M. A., Stadnyk, T. A., and Troy, T. J., 2021: Vanishing weekly hydropeaking cycles in American and Canadian rivers, Nature Communications, 12, 7154, doi: 10.1038/s41467-021-27465-4. Full Document

2021 / 12 / 06
Find out more about bomb cyclones, atmospheric rivers and the TRARE field campaign in the December 2021 issue of the Nechako IRC Newsletter.

2021 / 11 / 29
Learn more on the phenomenon of atmospheric rivers with this news release and video compiled during the recent TRARE field campaign.

2021 / 11 / 24
Stephen provided the Main Table of the Water Engagement Initiative a summary of the Tahtsa Ranges Atmospheric River Experiment (TRARE).

2021 / 10 / 01
The latest IRC quarterly newsletter is now available here.

2021 / 09 / 03
The countdown is on for the Tahtsa Ranges Atmospheric River Experiment (TRARE) field camapaign! Read more on the TRARE field campaign from a UNBC media release.

2021 / 09 / 01
The Tahtsa Ranges Atmospheric Rivers Experiment (TRARE) begins in one week! Read up more on the TRARE field campaign here.

2021 / 08 / 24
Stephen provided the Nechako First Nations an update on the NSERC/Rio Tinto Industrial Research Chair on climate change and water security.

2021 / 08 / 19
Joseph successfully defended his MNRES thesis entitled: "Exploring Climate Change, Ecosystems and Well-being Connections: Lessons Learned from the application of a geospatial knowledge exchange tool in the Nechako Watershed". Congratulations Joseph!

2021 / 08 / 17
Jeremy successfuly defended his MSc thesis entitled: "Hydrologic Controls of a Wetland Complex in British Columbia's Inland Temperate Rainforest". Congratulations Jeremy!

2021 / 07 / 29
Stephen, on behalf of co-authors Tricia Stadnyk, Tara Troy and Marco Hernandez-Henriquez, presented a talk titled "Vanishing weekly hydropeaking cycles in American and Canadian rivers" to the Global Water Futures Core Modelling and Forecasting team.

2021 / 07 / 06
Jeremy delivered a presentation on our water temperature monitoring efforts in the Nechako and Stuart river basins to the Chief and Council of the Binche Whut'en First Nation.

2021 / 06 / 25
Congratulations to all UNBC students who are graduating at today's convocation! Special kudos for Rajtantra for being conferred his PhD in Natural Resources and Environmental Studies!

2021 / 06 / 19
Welcome the summer solstice by reading the June 2021 issue of the Nechako IRC Newsletter!

2021 / 06 / 11
Stephen, on behalf of co-authors Tricia Stadnyk, Tara Troy and Marco Hernandez-Henriquez, presented a talk titled "Establishing watershed connectivity using a weekly hydropeaking index applied to American and Canadian rivers" at the Canadian Association of Geographer's meeting and congress.

2021 / 06 / 09
Stephen was co-covener for a session on atmospheric rivers and extratropical cyclones at the 55th annual CMOS congress.

2021 / 05 / 26
Stadnyk, T. A., Tefs, A., Broesky, M., Déry, S. J., Myers, P. G., Ridenour, N., Vonderbank, L., and Gustafsson, D., 2021: Changing freshwater contributions to the Arctic: A 90-year trend analysis (1981-2070), Elementa: Science of the Anthropocene, 9(1), 00098. Full Document

2021 / 05 / 26
Stephen presented an update on research related to climate change and water security in the Nechako Watershed to the Nechako Watershed Roundtable.

2021 / 05 / 14
Kelly, Derek, Spencer and Stephen met with representatives from the Cheslatta Carrier Nation and Rio Tinto staff at the Skins Lake Spillway as we prepare for a busy 2021 summer field season!

2021 / 05 / 03
Stephen did an interview for CBC's The National on the recent washouts in the Cariboos and possible links to climate change.

2021 / 04 / 29
Stephen, on behalf of co-authors Tricia Stadnyk, Tara Troy and Marco Hernandez-Henriquez, presented a talk titled "Vanishing weekly cycles in American and Canadian hydropeaking rivers" at the EGU21 conference.

2021 / 04 / 19
Tefs, A. A. G., Stadnyk, T. A., Koenig, K. A., Déry, S. J., MacDonald, M. K., Slota, P., Crawford, J., Hamilton, M., 2021: Simulating river regulation and reservoir performance in a continental-scale hydrologic model, Environmental Modelling & Software, 141, 105025. Full Document

2021 / 03 / 26
Stadnyk, T. A., and Déry, S. J., 2021: Canadian continental-scale hydrology under a changing climate: A review, Water. 13, 906. Full Document

2021 / 03 / 24
Thériault, J. M., Déry, S. J., Pomeroy, J. W., Smith, H. M., Almonte, J., Bertoncini, A., Crawford, R., Desroches-Lapointe, A., Lachapelle, M., Mariani, Z., Mitchell, S., Morris, J. E., Hébert-Pinard, C., Rodriguez, P., and Thompson, H. D., 2021: Meteorological observations collected during the Storms and Precipitation Across the continental Divide Experiment (SPADE), April-June 2019, Earth System Science Data, 13, 1233-1249. Full Document

2021 / 03 / 17
Welcome the spring equinox by reading the March 2021 issue of the Nechako IRC Newsletter!

2021 / 02 / 23
Stephen along with UNBC colleagues Drs. Phil Owens, Margot Parkes and Ellen Petticrew participated in a public presentation on integrated watershed research in the Nechako.

2021 / 02 / 10
Stephen delivered a talk titled "Climate change and water security research at UNBC" to the Main Table of the Water Engagement Initiative.

2021 / 01 / 13
Pokorny, S., Stadnyk, T. A., Ali, G., Lilhare, R., Déry, S. J., and Koenig, K. A., 2021: Cumulative effects of uncertainty on simulated streamflow in a hydrologic modeling environment, Elementa: Science of the Anthropocene, 9(1), 431. Full Document

2021 / 01 / 01
Lisa Rickard and Charlotte Adams join the Northern Hydrometeorology Group as M.Sc. students. Welcome Lisa and Charlotte!

2020 / 01 / 01
The NHG wishes everyone a safe and Happy New Year! All the best in 2021!

2020 / 12 / 18
The December 2020 issue of the Nechako IRC Newsletter is now available.

2020 / 12 / 01
Jeremy presented his latest research findings at a BC Parks symposium.

2020 / 11 / 23
We welcome Spencer Woyke as a part-time undergraduate assistant in the Northern Hydrometeorology Group. Welcome Spencer!

2020 / 11 / 23
Stephen is elected to the Board of Directors of the Pacific Climate Impacts Consortium.

2020 / 11 / 01
We are pleased to announce the activation of the new NSERC / Rio Tinto IRC website! Consult this website for information on the Nechako Watershed, our IRC project goals, participants and partners, publications and data, and much more!

2020 / 10 / 19
The NHG welcomes Kelly Hurley as a Research Skills Trainee under the IRC umbrella of research. Welcome to the group Kelly!

2020 / 10 / 07
The latest IRC quarterly newsletter is now available here.

2020 / 10 / 02
Pokorny, S., Stadnyk, T. A., Lilhare, R., Ali, G., Déry, S. J., and Koenig, K. A., 2020: Use of ensemble-based gridded precipitation products for assessing input data uncertainty prior to hydrologic modeling, Water, 12(10), 2751. Full Document

2020 / 09 / 17
Sharma, A. R., and Déry, S. J., 2020: Linking atmospheric rivers to annual and extreme runoff in British Columbia and southeastern Alaska, Journal of Hydrometeorology, 21(11), 2457-2472, doi: 10.1175/JHM-D-19-0281.1. Full Document

2020 / 09 / 13
Vore, M. E., Déry, S. J., Hou, Y., and Wei, A., 2020: Climatic influences on forest fire and mountain pine beetle outbreaks and resulting runoff effects in large watersheds in British Columbia, Canada, Hydrological Processes, 34, 4560-4575, doi: https://doi.org/10.1002/hyp.13908. Full Document.

2020 / 09 / 03
The NHG welcomes Tamar Richards-Thomas as a Research Skills Trainee, Bruno Sobral as a PhD student and Adam MacDonald as an MSc student. Welcome to the group!

2020 / 09 / 03
Brown, R., Marsh, P., Déry, S. J., and Yang, D., 2020: Chapter 3: Snow cover - observations, processes, changes and impacts on northern hydrology, Arctic Hydrology, Permafrost and Ecosystem, Springer, 61-99.

2020 / 09 / 03
Shiklomanov, A. I., Déry, S. J., Tretiakov, M. V., Yang, D., Magritsky, D., Georgiadi, A., Tang, W., 2020: Chapter 24: River flux to the Arctic Ocean, Arctic Hydrology, Permafrost and Ecosystem, Springer, 703-738.

2020 / 08 / 19
Stadnyk, T. A., MacDonald, M. K., Tefs, A. A. G., Déry, S. J., Koenig, K., Gustafsson, D., Isberg, K., and Arheimer, B., 2020: Hydrological modeling of freshwater discharge into Hudson Bay using HYPE, Elementa: Science of the Anthropocene, 8, 43. doi: 10.1525/elementa.439 Full Document

2020 / 08 / 17
Allchin, M. and Déry, S. J., 2020: The climatological context of trends in the onset of Northern Hemisphere seasonal snowcover, 1972-2017, Journal of Geophysical Research: Atmospheres, 125(17), e2019JD032367, doi: 10.1029/2019JD032367. Full Document

2020 / 07 / 08
Stephen was interviewed by Dave Branco of CKPG News to discuss the recent wet weather and flood potential in northern BC. Listen to their discussion here.

2020 / 06 / 30
The NSERC/Rio Tinto Industrial Research Chair completes the first year of its program of research. Read full details on our progress thus far and plans for the 2020 summer field season in this UNBC story! For a full update, please consult the 2019-2020 Annual Report.

2020 / 06 / 29
Hamilton, A. K., Laval, B. E., Petticrew, E. L., Albers, S. J., Allchin, M., Baldwin, S. A., Carmack, E. C., Déry, S. J., French, T. D., Granger, B., Graves, K. E., Owens, P. N., Selbie, D. T., and Vagle, S., 2020: Seasonal turbidity linked to physical dynamics in a deep lake following the catastrophic 2014 Mount Polley mine tailings spill, Water Resources Research, 56(8), e2019WR025790. Full Document

2020 / 06 / 26
Congratulations to Aseem and Michael on graduating with their doctorate degrees at today's convocation! Special kudos to Michael on also being awarded the Governor General's Gold Medal for the exceptional quality of his dissertation!

2020 / 06 / 20
The June quarterly newsletter for the IRC program of research is now available online.

2020 / 06 / 04
Rajtantra, co-supervised by Dr. Tricia Stadnyk at the University of Calgary, successfully defended his doctoral dissertation entitled: "Assessing the effects of uncertainty and climate change on hydrological simulations across a permafrost gradient in north-central Canada." Congratulations Raj!

2020 / 05 / 11
The NHG welcomes Natalya Klutz as a field/research assistant, and Marco Hernandez-Henriquez as a part-time Research Associate. Welcome (back) to both of you!

2020 / 05 / 04
The NHG welcomes Daniel Scurfield as a field/research assistant, Justin Kokoszka as an MSc student, and Aseem Sharma in his new role as a post-doctoral fellow with the group. Welcome to all of you!

2020 / 04 / 24
Michael successfully defended his PhD dissertation entitled "A spatio-temporal analysis of trends in Northern Hemisphere seasonal snow-cover, 1971-2017". Congratulations Michael!

2020 / 04 / 20
Brubacher, J., Allen, D. M., Déry, S. J., Parkes, M. W., Chhetri, B., Mak, S., Sobie, S., and Takaro, T. K., 2020: Associations of five food- and water-borne diseases and ecological zone, land use, and aquifer type in a changing climate, Science of the Total Environment, 138808, doi: 10.1016/j.scitotenv.2020.138808. Full Document

2020 / 04 / 17
Aseem successfully defended his PhD dissertation entitled "Role of atmospheric rivers on the hydrology of western Canada". Congratulations Aseem!

2020 / 04 / 16
Sharma, A. R., and Déry, S. J., 2020: Contribution of atmospheric rivers to annual, seasonal, and extreme precipitation across British Columbia and southeastern Alaska, Journal of Geophysical Research: Atmospheres, 125(9), e2019JD031823. Full Document

2020 / 04 / 01
Picketts, I. M., Déry, S. J., Parkes, M. W., Sharma, A. R., and Matthews, C. A., 2020: Scenarios of climate change and natural resource development: complexity and uncertainty in the Nechako Watershed, The Canadian Geographer, 64(3), 475-488, doi: 10.1111/cag.12609. Full Document

2020 / 03 / 20
Thompson, H. D., Déry, S. J., Jackson, P. L., and Laval, B. E., 2020: A synoptic climatology of potential seiche-inducing winds in a large intermontane lake: Quesnel Lake, British Columbia, Canada, International Journal of Climatology, 40(14), 5973-5986, doi: 10.1002/joc.6560. Full Document

2019 / 11 / 04
Stephen is named the NSERC/Rio Tinto Senior Industrial Research Chair (IRC) in Climate Change and Water Security. For details on this program of research, consult the IRC website and the media release issued jointly between UNBC and Rio Tinto.

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Introduction

 
 

Welcome to the homepage of the northern hydrometeorology group (NHG) at the University of Northern British Columbia (UNBC) in Prince George, British Columbia, Canada.

The NHG investigates the role of climate variability and climate change on the high-latitude and alpine water cycle. The research group is led by Stephen Déry, a tenured, full professor in the Environmental Science Program in UNBC's Department of Geography, Earth and Environmental Sciences, as well as a member of UNBC's Natural Resources and Environmental Studies Institute (NRESi). Details on the NHG's research including projects, funding sources, and members are found here.

A recent curriculum vitae and biography for Stephen are available online.


Profiles, Networks & Social Media

Quick Links

Quick link to UNBC webmail

Quick link to current weather conditions at UNBC.

Quick link to current weather conditions at Ness Lake.

Quick link to CAMnet calendar.

Quick link to online journals.


Courses


Recent Courses

  • ENSC 201 (Weather and Climate)
  • ENSC 312 (Biometeorology)
  • ENSC 408/608 (Storms)
  • ENSC 454/654 (Snow and Ice)
  • GEOG 310 (Hydrology)
  • NRES 701 (Graduate Colloquia)
  • NRES 799 (Independent Study)

    Research Group

  • Meet the members of the NHG.