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RISTropospheric Adjustment Induces a Cloud Component in CO2 Forcing
Publisher: American Meteorological Society
Abstract: The radiative forcing of CO2 and the climate feedback parameter are evaluated in several climate models with slab oceans by regressing the annual-mean global-mean top-of-atmosphere radiative flux against the annual-mean ...
Changes to Indian Ocean Subantarctic Mode Water in a Coupled Climate Model as CO2 Forcing Increases
Publisher: American Meteorological Society
Abstract: Subantarctic mode water (SAMW) has been shown to be a good indicator of anthropogenic climate change in coupled climate models. SAMW in a coupled climate model and the response of modeled SAMW to increasing CO2 are examined ...
The Climate Sensitivity and Its Components Diagnosed from Earth Radiation Budget Data
Publisher: American Meteorological Society
Abstract: One of the major uncertainties in the ability to predict future climate change, and hence its impacts, is the lack of knowledge of the earth?s climate sensitivity. Here, data are combined from the 1985?96 Earth Radiation ...
A Surface Energy Perspective on Climate Change
Publisher: American Meteorological Society
Abstract: A surface forcing response framework is developed that enables an understanding of time-dependent climate change from a surface energy perspective. The framework allows the separation of fast responses that are unassociated ...
Understanding Land–Sea Warming Contrast in Response to Increasing Greenhouse Gases. Part I: Transient Adjustment
Publisher: American Meteorological Society
Abstract: Climate model simulations consistently show that surface temperature over land increases more rapidly than over sea in response to greenhouse gas forcing. The enhanced warming over land is not simply a transient effect ...
The Key Role of the Western Boundary in Linking the AMOC Strength to the North–South Pressure Gradient
Publisher: American Meteorological Society
Abstract: key idea in the study of the Atlantic meridional overturning circulation (AMOC) is that its strength is proportional to the meridional density gradient or, more precisely, to the strength of the meridional pressure gradient. ...
Precise Calculations of the Existence of Multiple AMOC Equilibria in Coupled Climate Models. Part I: Equilibrium States
Publisher: American Meteorological Society
Abstract: his study examines criteria for the existence of two stable states of the Atlantic Meridional Overturning Circulation (AMOC) using a combination of theory and simulations from a numerical coupled atmosphere?ocean climate ...
On the Link between the Two Modes of the Ocean Thermohaline Circulation and the Formation of Global-Scale Water Masses
Publisher: American Meteorological Society
Abstract: A close link between the formation of global-scale water masses, such as North Atlantic Deep Water (NADW) and Antarctic Intermediate Water (AAIW), and two stable modes of the thermohaline circulation (THC) is investigated ...
Processes Governing the Recovery of a Perturbed Thermohaline Circulation in HadCM3
Publisher: American Meteorological Society
Abstract: In an experiment with the latest version of the Hadley Centre climate model the model response has been analyzed after the thermohaline circulation (THC) in the Atlantic Ocean has been suppressed. The suppression is induced ...
The Role of Climate Sensitivity and Ocean Heat Uptake on AOGCM Transient Temperature Response
Publisher: American Meteorological Society
Abstract: The role of climate sensitivity and ocean heat uptake in determining the range of climate model response is investigated in the second phase of the Coupled Model Intercomparison Project (CMIP2) AOGCM results. The fraction ...