Zobrazeno 1 - 10
of 208
pro vyhledávání: '"Heejun Chang"'
Autor:
Jason Sauer, Heejun Chang
Publikováno v:
Cambridge Prisms: Water, Vol 2 (2024)
With climate change and urbanization, city planners and developers have increasing interest and practice in constructing, restoring, or incorporating wetlands as forms of green infrastructure to maintain water-related ecosystem services (WES). We rev
Externí odkaz:
https://doaj.org/article/7683b01976234473a9823dbfaa505333
Publikováno v:
City and Environment Interactions, Vol 19, Iss , Pp 100108- (2023)
Urban sustainability is the goal of many cities in the world, yet very few have achieved a level of sustainability that goes beyond the most basic environmental objectives. The practice and assessment of sustainability implementation are greatly comp
Externí odkaz:
https://doaj.org/article/c3366681a9314439b83307599f7ea862
Publikováno v:
Journal of Maps, Pp 1-9 (2022)
Disappeared streams are streams that have been buried, removed, or moved as part of the urbanization process. We identified disappeared streams in the Portland, Oregon metropolitan area using historical topographic maps for four time periods, and rel
Externí odkaz:
https://doaj.org/article/f87c721b829f4c4a8c478761341d05fa
Autor:
Junjie Chen, Heejun Chang
Publikováno v:
Journal of Water and Climate Change, Vol 12, Iss 5, Pp 1454-1470 (2021)
To understand the spatial–temporal pattern of climate and land cover (CLC) change effects on hydrology, we used three land cover change (LCC) coupled scenarios to estimate the changes in streamflow metrics in the Clackamas River Watershed in Oregon
Externí odkaz:
https://doaj.org/article/3c7a4045b95f43cf8bde700b686da907
Autor:
Alexis Kirsten Cooley, Heejun Chang
Publikováno v:
Journal of Water and Climate Change, Vol 12, Iss 4, Pp 1135-1153 (2021)
This study addresses how regional changes to precipitation may be identified by exploring the effect of temporal resolution on trend detection. Climate indices that summarize precipitation characteristics are used with Mann–Kendall monotonic testin
Externí odkaz:
https://doaj.org/article/f3705e17d3ca42e0b7b2546a292f7793
Publikováno v:
Tecnología y ciencias del agua, Vol 12, Iss 2, Pp 59-110 (2021)
La gestión del agua en las ciudades se ha vuelto cada más desafiante debido al aumento de la demanda urbana de agua en un contexto de reducción de las fuentes disponibles. Estos problemas han evidenciado la necesidad de integrar el abastecimiento
Externí odkaz:
https://doaj.org/article/7f1f70d9e6de411d9a75581f207c25c0
Publikováno v:
Hydrology, Vol 9, Iss 12, p 220 (2022)
Water quality is affected by multiple spatial and temporal factors, including the surrounding land characteristics, human activities, and antecedent precipitation amounts. However, identifying the relationships between water quality and spatially and
Externí odkaz:
https://doaj.org/article/ebea470fb6c24fc0b23396b682caa386
Autor:
Will B. Long, Heejun Chang
Publikováno v:
Hydrology, Vol 9, Iss 9, p 157 (2022)
Wildfire increases the magnitude of runoff in catchments, leading to the degradation of ecosystems, risk to infrastructure, and loss of life. The Labor Day Fires of 2020 provided an opportunity to compare multiple large and severe wildfires with the
Externí odkaz:
https://doaj.org/article/44af6f5ee1474f82b22b4a2d89593c32
Autor:
Janardan Mainali, Heejun Chang
Publikováno v:
Environmental and Sustainability Indicators, Vol 9, Iss , Pp 100096- (2021)
Various spatial interrelationships among sampling stations are not well explored in the spatial modeling of water quality literature. This research explores the relationship between water quality and various social, demographic, and topographic facto
Externí odkaz:
https://doaj.org/article/a3056f082f0f4008aa78d94a347bba82
Publikováno v:
Environmental Research: Health, Vol 1, Iss 1, p 011001 (2022)
While COVID-19 vaccines have been available since December 2020 and efforts have been made to vaccinate the maximum population, a large number of people are continuing to be hesitant, prolonging the pandemic in the US. While most previous studies inv
Externí odkaz:
https://doaj.org/article/3ff5a7d4216e49a4b8caaad6bf59ca3a