Afternoon Precipitation Peak Simulated in an Aqua-Planet Global Non-hydrostatic Model (Aqua-Planet-NICAM)

Sensitivities of zonal mean atmospheric circulation to SST warming in an aqua‐planet model

[1] Sensitivities of tropospheric winds and stratospheric Brewer‐Dobson Circulation (BDC) to SST warming are explored in an aqua‐planet atmospheric general circulation model. The tropospheric zonal wind change is quite sensitive to the location and sign of the gradient of SST perturbations with respect to the climatological jet. For the experiments with low latitude warming, the Hadley cell is ...

Mean climate and variability of the atmosphere and ocean on an aqua-planet

Numerical experiments are described that pertain to the climate of a coupled atmosphereocean-ice system in the absence of land, driven by modern-day orbital and CO2 forcing. Millennial timescale simulations yield a mean state in which ice caps reach down to 55 of latitude and both the atmosphere and ocean comprise eastward and westward-flowing zonal jets, whose structure is set by their respect...

Performance of the HOMME dynamical core in the aqua-planet configuration of NCAR CAM4: equatorial waves

A new atmospheric dynamical core, named the High Order Method Modeling Environment (HOMME), has been recently included in the NCAR-Community Climate System Model version 4 (CCSM4). It is a petascale capable high-order element-based conservative dynamical core developed on a cubed-sphere grid. We have examined the model simulations with HOMME using the aqua-planet mode of CAM4 (atmospheric compo...

Evaluation of the HOMME Dynamical Core in the Aqua - Planet Configuration of NCAR CAM 4 : Rainfall

Used planet: a global history.

Human use of land has transformed ecosystem pattern and process across most of the terrestrial biosphere, a global change often described as historically recent and potentially catastrophic for both humanity and the biosphere. Interdisciplinary paleoecological, archaeological, and historical studies challenge this view, indicating that land use has been extensive and sustained for millennia in ...