National Academies Press: OpenBook

Understanding Earth's Deep Past: Lessons for Our Climate Future (2011)

Chapter: Appendix D: Acronyms and Abbreviations

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Suggested Citation:"Appendix D: Acronyms and Abbreviations." National Research Council. 2011. Understanding Earth's Deep Past: Lessons for Our Climate Future. Washington, DC: The National Academies Press. doi: 10.17226/13111.
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Appendix D

Acronyms and Abbreviations

AAAS

American Association for the Advancement of Science

ACEX

Arctic Coring Expedition

 
CCD

carbonate compensation depth

CIA

Chemical Index of Alteration

CO2

carbon dioxide

 
DOE

Department of Energy

DOSECC

Drilling, Observation, and Sampling of the Earth’s Continental Crust

DSDP

Deep Sea Drilling Project

 
EMIC

Earth system models of intermediate complexity

ENSO

El Niño-Southern Oscillation

E&O

education and outreach

ESM

Earth system model

 
GCM

global climate model; also general circulation model

GIS

geographic information system

 
ICDP

International Continental Scientific Drilling Program

ICP-MS

inductively coupled plasma mass spectrometry

ID-TIMS

isotope dilution-thermal ionization mass spectrometry

IODP

Integrated Ocean Drilling Program

IPCC

Intergovernmental Panel on Climate Change

Suggested Citation:"Appendix D: Acronyms and Abbreviations." National Research Council. 2011. Understanding Earth's Deep Past: Lessons for Our Climate Future. Washington, DC: The National Academies Press. doi: 10.17226/13111.
×
ITCZ

Intertropical Convergence Zone

 
ka

thousands of years ago

ky

thousand years

 
LGM

Last Glacial Maximum

LPIA

Late Paleozoic Ice Age

 
Ma

million of years ago

MAT

mean annual temperature

my

million years

μmol

micromole

 
NAO

North Atlantic Oscillation

NASA

National Aeronautics and Space Administration

NCEAS

National Center for Ecological Analysis and Synthesis

NOAA

National Oceanic and Atmospheric Administration

NRC

National Research Council

NSF

National Science Foundation

 
OAE

oceanic anoxic event

ODP

Ocean Drilling Program

 
pCO2

partial pressure of carbon dioxide

PDO

Pacific Decadal Oscillation

PETM

Paleocene-Eocene Thermal Maximum

PI

principal investigator

PMIP

Paleoclimate Modeling Intercomparison Project

ppmv

parts per million by volume

 
SIMS

secondary ion mass spectrometry

SST

sea surface temperature

 
TEX86

tetraether index of 86 carbon atoms; paleothermometer based on the composition of membrane lipids of marine picoplankton

TOC

total organic carbon

 
USGS

U.S. Geological Survey

Suggested Citation:"Appendix D: Acronyms and Abbreviations." National Research Council. 2011. Understanding Earth's Deep Past: Lessons for Our Climate Future. Washington, DC: The National Academies Press. doi: 10.17226/13111.
×
Page 193
Suggested Citation:"Appendix D: Acronyms and Abbreviations." National Research Council. 2011. Understanding Earth's Deep Past: Lessons for Our Climate Future. Washington, DC: The National Academies Press. doi: 10.17226/13111.
×
Page 194
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There is little dispute within the scientific community that humans are changing Earth's climate on a decadal to century time-scale. By the end of this century, without a reduction in emissions, atmospheric CO2 is projected to increase to levels that Earth has not experienced for more than 30 million years. As greenhouse gas emissions propel Earth toward a warmer climate state, an improved understanding of climate dynamics in warm environments is needed to inform public policy decisions. In Understanding Earth's Deep Past, the National Research Council reports that rocks and sediments that are millions of years old hold clues to how the Earth's future climate would respond in an environment with high levels of atmospheric greenhouse gases.

Understanding Earth's Deep Past provides an assessment of both the demonstrated and underdeveloped potential of the deep-time geologic record to inform us about the dynamics of the global climate system. The report describes past climate changes, and discusses potential impacts of high levels of atmospheric greenhouse gases on regional climates, water resources, marine and terrestrial ecosystems, and the cycling of life-sustaining elements. While revealing gaps in scientific knowledge of past climate states, the report highlights a range of high priority research issues with potential for major advances in the scientific understanding of climate processes. This proposed integrated, deep-time climate research program would study how climate responded over Earth's different climate states, examine how climate responds to increased atmospheric carbon dioxide and other greenhouse gases, and clarify the processes that lead to anomalously warm polar and tropical regions and the impact on marine and terrestrial life.

In addition to outlining a research agenda, Understanding Earth's Deep Past proposes an implementation strategy that will be an invaluable resource to decision-makers in the field, as well as the research community, advocacy organizations, government agencies, and college professors and students.

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