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Hydrologic monitoring tools for freshwater municipal planning in the Arctic: the case of Iqaluit, Nunavut, Canada.

https://arctichealth.org/en/permalink/ahliterature283129
Source
Environ Sci Pollut Res Int. 2017 Jun 06;
Publication Type
Article
Date
Jun-06-2017
Author
Michael Bakaic
Andrew Scott Medeiros
Jessica F Peters
Brent B Wolfe
Source
Environ Sci Pollut Res Int. 2017 Jun 06;
Date
Jun-06-2017
Language
English
Publication Type
Article
Abstract
Freshwater and the services it provides are vital to both natural ecosystems and human needs; however, extreme climates and their influence on freshwater availability can be challenging for municipal planners and engineers to manage these resources effectively. In Arctic Canada, financial and human capital limitations have left a legacy of freshwater systems that underserve current communities and may be inadequate in the near future under a warming climate, growing population, and increasing demand. We address this challenge to community water resource planning by applying several novel water supply forecasting methods to evaluate the Apex River as an alternative freshwater source for Iqaluit, Nunavut (Canada). Surveys of water isotope composition of the Apex River and tributaries indicated that rainfall is the main source of water replenishment. This information was utilized to calibrate a water resource assessment that considered climate forecasting scenarios and their influence on supply, and alternative scenarios for freshwater management to better adapt to a changing climate. We found that under current climate and demand conditions, the freshwater supply of Iqaluit would be in a perpetual state of drawdown by 2024. Analysis of current infrastructure proposals revealed significant deficiencies in the supply extensions proposed whereby the Apex replenishment pipeline would only provide a 2-year extension to current municipal supply. Our heuristic supply forecast methods allowed for several alternative supply strategies to be rapidly evaluated, which will aid the community planning process by specifically quantifying the service life of the city's current and future primary water supply.
PubMed ID
28589278 View in PubMed
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Hydrologic monitoring tools for freshwater municipal planning in the Arctic: the case of Iqaluit, Nunavut, Canada.

https://arctichealth.org/en/permalink/ahliterature297764
Source
Environ Sci Pollut Res Int. 2018 Nov; 25(33):32913-32925
Publication Type
Journal Article
Date
Nov-2018
Author
Michael Bakaic
Andrew Scott Medeiros
Jessica F Peters
Brent B Wolfe
Author Affiliation
Department of Environmental Studies, York University, Toronto, ON, Canada.
Source
Environ Sci Pollut Res Int. 2018 Nov; 25(33):32913-32925
Date
Nov-2018
Language
English
Publication Type
Journal Article
Keywords
Climate
Climate change
Environmental monitoring
Fresh Water - analysis
Humans
Hydrology - methods
Nunavut
Planning Techniques
Rain
Rivers - chemistry
Seasons
Water supply
Abstract
Freshwater and the services it provides are vital to both natural ecosystems and human needs; however, extreme climates and their influence on freshwater availability can be challenging for municipal planners and engineers to manage these resources effectively. In Arctic Canada, financial and human capital limitations have left a legacy of freshwater systems that underserve current communities and may be inadequate in the near future under a warming climate, growing population, and increasing demand. We address this challenge to community water resource planning by applying several novel water supply forecasting methods to evaluate the Apex River as an alternative freshwater source for Iqaluit, Nunavut (Canada). Surveys of water isotope composition of the Apex River and tributaries indicated that rainfall is the main source of water replenishment. This information was utilized to calibrate a water resource assessment that considered climate forecasting scenarios and their influence on supply, and alternative scenarios for freshwater management to better adapt to a changing climate. We found that under current climate and demand conditions, the freshwater supply of Iqaluit would be in a perpetual state of drawdown by 2024. Analysis of current infrastructure proposals revealed significant deficiencies in the supply extensions proposed whereby the Apex replenishment pipeline would only provide a 2-year extension to current municipal supply. Our heuristic supply forecast methods allowed for several alternative supply strategies to be rapidly evaluated, which will aid the community planning process by specifically quantifying the service life of the city's current and future primary water supply.
PubMed ID
28589278 View in PubMed
Less detail