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Environmental Sciences

Water

Clark University

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Characterization Of Municipal Water Sources For The Mexico-Lerma-Cutzamala Basin Region, Ian F. Hirons Aug 2022

Characterization Of Municipal Water Sources For The Mexico-Lerma-Cutzamala Basin Region, Ian F. Hirons

International Development, Community and Environment (IDCE)

The Mexico and Toluca Valleys in central Mexico are part of one of the most heavily populated megalopolises in the western hemisphere where consistent access to safe, affordable, and quality water sources figures to be a decisive challenge in the era of climate change. This professional project report compiles a range of statistics and information about the vital liquid for 29 municipalities located in and around the Mexico City and Toluca areas. This contribution is derived from a broader team research endeavor that seeks to gauge the impacts and adaptive processes to climate change within those regions. By doing so, …


Phytoplankton Bloom Stages Estimated From Chlorophyll Pigment Proportions Suggest Delayed Summer Production In Low Sea Ice Years In The Northern Bering Sea, Clare B. Gaffey, Karen E. Frey, Lee W. Cooper, Jacqueline M. Grebmeier Jan 2022

Phytoplankton Bloom Stages Estimated From Chlorophyll Pigment Proportions Suggest Delayed Summer Production In Low Sea Ice Years In The Northern Bering Sea, Clare B. Gaffey, Karen E. Frey, Lee W. Cooper, Jacqueline M. Grebmeier

Geography

Decreased sea ice cover in the northern Bering Sea has altered annual phytoplankton phenology owing to an expansion of open water duration and its impact on ocean stratification. Limitations of satellite remote sensing such as the inability to detect bloom activity throughout the water column, under ice, and in cloudy conditions dictate the need for shipboard based measurements to provide more information on bloom dynamics. In this study, we adapted remote sensing land cover classification techniques to provide a new means to determine bloom stage from shipboard samples. Specifically, we used multiyear satellite time series of chlorophyll a to determine …


Water-Energy Sector Collaboration In The United States: Benefits, Barriers, And Climate-Change Implications, Cassandra J. Osterhoudt May 2017

Water-Energy Sector Collaboration In The United States: Benefits, Barriers, And Climate-Change Implications, Cassandra J. Osterhoudt

International Development, Community and Environment (IDCE)

The purpose of this report is to examine the impact of the water-energy nexus in the United States, and identify opportunities for increased collaboration between water and energy utilities. Through reviewing the regulatory history of both sectors, I explore how regulations on utilities align with the Porter Hypothesis, and the impacts the water-energy nexus will have moving forward, including under climate-change scenarios. The extent of collaboration between sectors has been relatively limited to states with progressive energy and water efficiency policies. This report identifies existing barriers and benefits to collaboration, and utilizes two case studies; California and Massachusetts. Results are …