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Assessment of global model simulatio...

Kulkarni, Sujay.

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Assessment of global model simulations of present and future climate.

紀錄類型:	書目-電子資源 : Monograph/item
正題名/作者:	Assessment of global model simulations of present and future climate./
作者:	Kulkarni, Sujay.
出版者:	Ann Arbor : ProQuest Dissertations & Theses, : 2014,
面頁冊數:	70 p.
附註:	Source: Masters Abstracts International, Volume: 52-06.
Contained By:	Masters Abstracts International52-06(E).
標題:	Mechanical engineering. -
電子資源:	http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=1555447
ISBN:	9781303879104

Assessment of global model simulations of present and future climate.
Kulkarni, Sujay.

Assessment of global model simulations of present and future climate. - Ann Arbor : ProQuest Dissertations & Theses, 2014 - 70 p.

Source: Masters Abstracts International, Volume: 52-06.

Thesis (M.S.)--Arizona State University, 2014.

Climate change has been one of the major issues of global economic and social concerns in the past decade. To quantitatively predict global climate change, the Intergovernmental Panel on Climate Change (IPCC) of the United Nations have organized a multi-national effort to use global atmosphere-ocean models to project anthropogenically induced climate changes in the 21 st century. The computer simulations performed with those models and archived by the Coupled Model Intercomparison Project---Phase 5 (CMIP5) form the most comprehensive quantitative basis for the prediction of global environmental changes on decadal-to-centennial time scales. While the CMIP5 archives have been widely used for policy making, the inherent biases in the models have not been systematically examined. The main objective of this study is to validate the CMIP5 simulations of the 20th century climate with observations to quantify the biases and uncertainties in state-of-the-art climate models. Specifically, this work focuses on three major features in the atmosphere: the jet streams over the North Pacific and Atlantic Oceans and the low level jet (LLJ) stream over central North America which affects the weather in the United States, and the near-surface wind field over North America which is relevant to energy applications. The errors in the model simulations of those features are systematically quantified and the uncertainties in future predictions are assessed for stakeholders to use in climate applications. Additional atmospheric model simulations are performed to determine the sources of the errors in climate models. The results reject a popular idea that the errors in the sea surface temperature due to an inaccurate ocean circulation contributes to the errors in major atmospheric jet streams.

ISBN: 9781303879104Subjects--Topical Terms:

649730
Mechanical engineering.

Assessment of global model simulations of present and future climate.
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