Changing contribution of snow to Hudson Bay river discharge
Hudson Bay (HB) in northern Canada has experienced changing volumes and seasonality of streamflows in the last 100 years. These shifts may be due to changing snow accumulation and ablation regimes. This study quantifies the changing contribution of snow to river discharge from 20 major river basins...
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University of Northern British Columbia
2016
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ftunbcolumbiadc:oai:unbc.arcabc.ca:unbc_15581 2024-05-19T07:41:42+00:00 Changing contribution of snow to Hudson Bay river discharge Sharma, Bunu (Author) D~ry, Stephen (Thesis advisor) University of Northern British Columbia (Degree granting institution) 2016 electronic Number of pages in document: 93 https://unbc.arcabc.ca/islandora/object/unbc:15581/datastream/PDF/download https://unbc.arcabc.ca/islandora/object/unbc%3A15581 https://doi.org/10.24124/2016/bpgub1136 English eng University of Northern British Columbia Copyright retained by the author. http://rightsstatements.org/vocab/InC/1.0/ Stream measurements -- Hudson Bay Region Prolog (Computer program language) Declarative programming languages GB1229 .S53 2016 Text thesis 2016 ftunbcolumbiadc https://doi.org/10.24124/2016/bpgub1136 2024-04-19T00:29:37Z Hudson Bay (HB) in northern Canada has experienced changing volumes and seasonality of streamflows in the last 100 years. These shifts may be due to changing snow accumulation and ablation regimes. This study quantifies the changing contribution of snow to river discharge from 20 major river basins draining into HB (including James Bay) between 1980 and 2013. The analysis is based on daily snow water equivalent (SWE) data from GlobSnow, and daily streamflow data from the Water Survey of Canada, Hydro-Qu~bec, and Le Centre d\u2019Expertise Hydrique du Qu~bec. The contribution of snowmelt to streamflow generation is estimated from the ratio of water year maximum SWE to runoff. The Mann-Kendall test is performed for evaluation of trends and their significance. In HB, the snowmelt contribution to streamflow generation during 1980 to 2013 decreased by 15.9% (34 yr)\u207b~ and changed in hydrological conditions are observed. The potential impacts of these changes on ecological and socio-economic systems across much of Canada\u2019s North are discussed. The original print copy of this thesis may be available here: http://wizard.unbc.ca/record=b2141009 Thesis Hudson Bay James Bay UNBC's Digital Institutional Repository (University of Northern British Columbia) |
institution |
Open Polar |
collection |
UNBC's Digital Institutional Repository (University of Northern British Columbia) |
op_collection_id |
ftunbcolumbiadc |
language |
English |
topic |
Stream measurements -- Hudson Bay Region Prolog (Computer program language) Declarative programming languages GB1229 .S53 2016 |
spellingShingle |
Stream measurements -- Hudson Bay Region Prolog (Computer program language) Declarative programming languages GB1229 .S53 2016 Changing contribution of snow to Hudson Bay river discharge |
topic_facet |
Stream measurements -- Hudson Bay Region Prolog (Computer program language) Declarative programming languages GB1229 .S53 2016 |
description |
Hudson Bay (HB) in northern Canada has experienced changing volumes and seasonality of streamflows in the last 100 years. These shifts may be due to changing snow accumulation and ablation regimes. This study quantifies the changing contribution of snow to river discharge from 20 major river basins draining into HB (including James Bay) between 1980 and 2013. The analysis is based on daily snow water equivalent (SWE) data from GlobSnow, and daily streamflow data from the Water Survey of Canada, Hydro-Qu~bec, and Le Centre d\u2019Expertise Hydrique du Qu~bec. The contribution of snowmelt to streamflow generation is estimated from the ratio of water year maximum SWE to runoff. The Mann-Kendall test is performed for evaluation of trends and their significance. In HB, the snowmelt contribution to streamflow generation during 1980 to 2013 decreased by 15.9% (34 yr)\u207b~ and changed in hydrological conditions are observed. The potential impacts of these changes on ecological and socio-economic systems across much of Canada\u2019s North are discussed. The original print copy of this thesis may be available here: http://wizard.unbc.ca/record=b2141009 |
author2 |
Sharma, Bunu (Author) D~ry, Stephen (Thesis advisor) University of Northern British Columbia (Degree granting institution) |
format |
Thesis |
title |
Changing contribution of snow to Hudson Bay river discharge |
title_short |
Changing contribution of snow to Hudson Bay river discharge |
title_full |
Changing contribution of snow to Hudson Bay river discharge |
title_fullStr |
Changing contribution of snow to Hudson Bay river discharge |
title_full_unstemmed |
Changing contribution of snow to Hudson Bay river discharge |
title_sort |
changing contribution of snow to hudson bay river discharge |
publisher |
University of Northern British Columbia |
publishDate |
2016 |
url |
https://unbc.arcabc.ca/islandora/object/unbc:15581/datastream/PDF/download https://unbc.arcabc.ca/islandora/object/unbc%3A15581 https://doi.org/10.24124/2016/bpgub1136 |
genre |
Hudson Bay James Bay |
genre_facet |
Hudson Bay James Bay |
op_rights |
Copyright retained by the author. http://rightsstatements.org/vocab/InC/1.0/ |
op_doi |
https://doi.org/10.24124/2016/bpgub1136 |
_version_ |
1799481314932424704 |