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Marine Proxies of Climate Change

By Coastal and Marine Hazards and Resources Program
Julie Richey caps a sediment core taken from a depth of 500 meters X-radiograph and coral image of an Orbicella faveolata coral Eocene Hyperthermals - Core Samples Scanning Electron Microscope (SEM) images of fossilized diatom phytoplankton specimens Planktic Foraminifera of the Northern Gulf of Mexico SEM Image of Ostracodes Scanning electron micrographs of Globigerinoides ruber Coral coring in Dry Tortugas National Park Extracting a sediment sample from a coring device Bivalve shells provide annual information on environmental change

Detailed Description

A slideshow depicting various marine proxies of climate change. USGS scientists analyze the geochemistry of proxies—the chemistry of which reflect the environmental conditions where and when they were formed.

Sources/Usage

Public Domain.