NAI
2003 Annual Science Report
Harvard University
Reporting | JUL 2002 – JUN 2003
Executive Summary
Introduction
The Harvard NAI team was constituted in 1998 as an interactive group of biogeochemists, paleontologists, sedimentary geologists, geochemists, and tectonic geologists assembled with the common goal of understanding the coevolution of life and environments in Earth history. The team originally proposed to focus multidisciplinary research on four critical intervals of planetary change: the early Archean (>3000 million years ago) when life began, the early Paleoproterozoic (2400-2200 Ma) when oxygen began to accumulate in the atmosphere and surface ocean, the terminal Proterozoic and Early Cambrian (750-525 Ma) when animal life radiated, and the Permo-Triassic boundary (251 Ma) when mass extinction removed some 90 percent of Earth’s species diversity, permanently altering the course of evolution. Given reduced funding levels in years 1 and 2, however, the team chose to focus on the latter three intervals; over the past five years, team members have made substantial contributions ...
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Andrew Knoll
NAI, ASTEP, ASTID, Exobiology -
TEAM Active Dates:
7/1998 - 10/2003 CAN 1 -
Members:
63 (See All) - Visit Team Page
Project Reports
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Evogenomics Focus Group
In year 5, Co-I Charles Marshall continued his statistical analyses of the fossil record as part of the Evogenomics Focus Group.
ROADMAP OBJECTIVES: 4.1 4.2 5.1 -
The Planetary Context of Biological Evolution Sub Project: Geobiology of Neogene Hematitic Sedimentary Rocks
We completed laboratory analyses of samples of iron deposits collected along the Rio Tinto basin, southwestern Spain (Fig. 1).
ROADMAP OBJECTIVES: 2.1 7.2 -
The Planetary Context of Biological Evolution Subproject: Neoproterozoic-Cambrian Environmental Change and Evolution
Subproject 2, Neoproterozoic-Cambrian environmental change and evolution, has enjoyed the broadest participation of Harvard team members, and for good reason.
ROADMAP OBJECTIVES: 4.1 4.2 -
Isotopic and Molecular Approaches to Microbial Ecology and Biogeochemistry (The Evolution of Organic Matter)
ROADMAP OBJECTIVES: 3.2 4.1 4.2 5.1 5.2 5.3 6.1 7.1 7.2 -
The Planetary Context of Biological Evolution: Subproject: Permo-Triassic Mass Extinction and Its Consequences
ROADMAP OBJECTIVES: 1.1 4.2 4.3 6.1 -
The Planetary Context of Biological Evolution Subproject: The Proterozoic Oxidiation of the Earth’s Surface
ROADMAP OBJECTIVES: 1.1 4.1 4.2 5.3 6.1 -
The Planetary Context of Biological Evolution Subproject: Carbon Cycle and Climate Dyanamics of Mars
ROADMAP OBJECTIVES: 1.1 2.1
Publications
- There are no publications for this team in the 2003 annual report.
2003 Teams
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Arizona State University
Carnegie Institution of Washington
Harvard University
Marine Biological Laboratory
Michigan State University
NASA Ames Research Center
NASA Jet Propulsion Laboratory
NASA Johnson Space Center
Pennsylvania State University
Scripps Research Institute
University of California, Los Angeles
University of Colorado, Boulder
University of Rhode Island
University of Washington
Virtual Planetary Laboratory (JPL/CalTech)