Urban Evolution: The Role of Water

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dc.contributor.authorKaushal, Sujay S.
dc.contributor.authorMcDowell, William H.
dc.contributor.authorWollheim, Wilfred M.
dc.contributor.authorNewcomer Johnson, Tamara A.
dc.contributor.authorMayer, Paul M.
dc.contributor.authorBelt, Kenneth T.
dc.contributor.authorPennino, Michael J.
dc.date.accessioned2024-01-10T19:14:45Z
dc.date.available2024-01-10T19:14:45Z
dc.date.issued2015-07-27
dc.description.abstractThe structure, function, and services of urban ecosystems evolve over time scales from seconds to centuries as Earth’s population grows, infrastructure ages, and sociopolitical values alter them. In order to systematically study changes over time, the concept of “urban evolution” was proposed. It allows urban planning, management, and restoration to move beyond reactive management to predictive management based on past observations of consistent patterns. Here, we define and review a glossary of core concepts for studying urban evolution, which includes the mechanisms of urban selective pressure and urban adaptation. Urban selective pressure is an environmental or societal driver contributing to urban adaptation. Urban adaptation is the sequential process by which an urban structure, function, or services becomes more fitted to its changing environment or human choices. The role of water is vital to driving urban evolution as demonstrated by historical changes in drainage, sewage flows, hydrologic pulses, and long-term chemistry. In the current paper, we show how hydrologic traits evolve across successive generations of urban ecosystems via shifts in selective pressures and adaptations over time. We explore multiple empirical examples including evolving: (1) urban drainage from stream burial to stormwater management; (2) sewage flows and water quality in response to wastewater treatment; (3) amplification of hydrologic pulses due to the interaction between urbanization and climate variability; and (4) salinization and alkalinization of fresh water due to human inputs and accelerated weathering. Finally, we propose a new conceptual model for the evolution of urban waters from the Industrial Revolution to the present day based on empirical trends and historical information. Ultimately, we propose that water itself is a critical driver of urban evolution that forces urban adaptation, which transforms the structure, function, and services of urban landscapes, waterways, and civilizations over time.
dc.description.urihttps://doi.org/10.3390/w7084063
dc.identifierhttps://doi.org/10.13016/dspace/oggx-f2lz
dc.identifier.citationKaushal, S.S.; McDowell, W.H.; Wollheim, W.M.; Johnson, T.A.N.; Mayer, P.M.; Belt, K.T.; Pennino, M.J. Urban Evolution: The Role of Water. Water 2015, 7, 4063-4087.
dc.identifier.urihttp://hdl.handle.net/1903/31571
dc.language.isoen_US
dc.publisherMDPI
dc.relation.isAvailableAtCollege of Computer, Mathematical & Natural Sciencesen_us
dc.relation.isAvailableAtGeologyen_us
dc.relation.isAvailableAtDigital Repository at the University of Marylanden_us
dc.relation.isAvailableAtUniversity of Maryland (College Park, MD)en_us
dc.subjecturban watershed continuum
dc.subjecturban karst
dc.subjecturban succession
dc.subjecturban adaptation
dc.subjecttransitional ecosystems
dc.subjectconvergent urban evolution
dc.subjecturban calcium cycle
dc.titleUrban Evolution: The Role of Water
dc.typeArticle
local.equitableAccessSubmissionNo

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