reference : Urban adaptation can roll back warming of emerging megapolitan regions

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/reference/8b1d0928-f216-4d11-8a06-b710ff7f2eae
Bibliographic fields
reftype Journal Article
Abstract Modeling results incorporating several distinct urban expansion futures for the United States in 2100 show that, in the absence of any adaptive urban design, megapolitan expansion, alone and separate from greenhouse gas-induced forcing, can be expected to raise near-surface temperatures 1-2 degrees C not just at the scale of individual cities but over large regional swaths of the country. This warming is a significant fraction of the 21st century greenhouse gas-induced climate change simulated by global climate models. Using a suite of regional climate simulations, we assessed the efficacy of commonly proposed urban adaptation strategies, such as green, cool roof, and hybrid approaches, to ameliorate the warming. Our results quantify how judicious choices in urban planning and design cannot only counteract the climatological impacts of the urban expansion itself but also, can, in fact, even offset a significant percentage of future greenhouse warming over large scales. Our results also reveal tradeoffs among different adaptation options for some regions, showing the need for geographically appropriate strategies rather than one size fits all solutions.
Author Georgescu, M.; Morefield, P. E.; Bierwagen, B. G.; Weaver, C. P.
DOI 10.1073/pnas.1322280111
Date Feb
ISSN 0027-8424
Issue 8
Journal Proceedings of the National Academy of Sciences of the United States of America
Keywords urban; Adaptation; Projection; climate change
Pages 2909-2914
Title Urban adaptation can roll back warming of emerging megapolitan regions
Volume 111
Year 2014
Bibliographic identifiers
_record_number 22733
_uuid 8b1d0928-f216-4d11-8a06-b710ff7f2eae