Boundary conditions for the Middle Miocene Climate Transition (MMCT v1.0)

被引：71

作者：

Frigola, Amanda ^{[1
]}

Prange, Matthias ^{[1
,2
]}

Schulz, Michael ^{[1
,2
]}

机构：

[1] Univ Bremen, MARUM Ctr Marine Environm Sci, D-28359 Bremen, Germany

[2] Univ Bremen, Fac Geosci, D-28359 Bremen, Germany

来源：

GEOSCIENTIFIC MODEL DEVELOPMENT | 2018年 / 11卷 / 04期

基金：

欧盟第七框架计划;

关键词：

ANTARCTIC ICE-SHEET; ATMOSPHERIC CARBON-DIOXIDE; EVOLUTION; CO2; SENSITIVITY; MODEL; LAND; SIMULATIONS; INSOLATION; HISTORY;

D O I：

10.5194/gmd-11-1607-2018

中图分类号：

P [天文学、地球科学];

学科分类号：

07 ;

摘要：

The Middle Miocene Climate Transition was characterized by major Antarctic ice sheet expansion and global cooling during the interval similar to 15-13 Ma. Here we present two sets of boundary conditions for global general circulation models characterizing the periods before (Middle Miocene Climatic Optimum; MMCO) and after (Middle Miocene Glaciation; MMG) the transition. These boundary conditions include Middle Miocene global topography, bathymetry, and vegetation. Additionally, Antarctic ice volume and geometry, sea level, and atmospheric CO2 concentration estimates for the MMCO and the MMG are reviewed. The MMCO and MMG boundary conditions have been successfully applied to the Community Climate System Model version 3 (CCSM3) to provide evidence of their suitability for global climate modeling. The boundary-condition files are available for use as input in a wide variety of global climate models and constitute a valuable tool for modeling studies with a focus on the Middle Miocene.

引用

页码：1607 / 1626

页数：20

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