330 likes | 345 Views
Tree Rings. Tree Rings Glacial Ice Cores. Tree Rings Glacial Ice Cores Ocean Sediments - The ratio of oxygen 16 to oxygen 18 preserved in the steady rain of dead organisms. Tree Rings Glacial Ice Cores
E N D
Tree Rings • Glacial Ice Cores
Tree Rings • Glacial Ice Cores • Ocean Sediments - The ratio of oxygen 16 to oxygen 18 preserved in the steady rain of dead organisms.
Tree Rings • Glacial Ice Cores • Ocean Sediments - The ratio of oxygen 16 to oxygen 18 preserved in the steady rain of dead organisms. • Radiocarbon dates of organic material
Tree Rings • Glacial Ice Cores • Ocean Sediments - The ratio of oxygen 16 to oxygen 18 preserved in the steady rain of dead organisms. • Radiocarbon dates of organic material • Pollen samples found in packrat middens and lake bed samples.
Tree Rings • Glacial Ice Cores • Ocean Sediments - The ratio of oxygen 16 to oxygen 18 preserved in the steady rain of dead organisms. • Radiocarbon dates of organic material • Pollen samples found in packrat middens and lake bed samples. • Variations in desert varnish coatings found
Tree Rings • Glacial Ice Cores • Ocean Sediments - The ratio of oxygen 16 to oxygen 18 preserved in the steady rain of dead organisms. • Radiocarbon dates of organic material • Pollen samples found in packrat middens and lake bed samples. • Variations in desert varnish coatings found on rocks in the arid southwest • Variations found in peatbog deposits
Tree Rings • Glacial Ice Cores • Ocean Sediments - The ratio of oxygen 16 to oxygen 18 preserved in the steady rain of dead organisms. • Radiocarbon dates of organic material • Pollen samples found in packrat middens and lake bed samples. • Variations in desert varnish coatings found on rocks in the arid southwest • Variations found in peatbog deposits • Sedimentary rock records.
400000years(large).gif (79995 bytes)1000 x 614 - 79k - gifwww.brighton73.freeserve.co.uk
400000years(large).gif (79995 bytes)1000 x 614 - 79k - gifwww.brighton73.freeserve.co.uk
400000years(large).gif (79995 bytes)1000 x 614 - 79k - gifwww.brighton73.freeserve.co.uk
http://www.globalwarmingart.com/images/a/aa/Global_Warming_Predictions.pnghttp://www.globalwarmingart.com/images/a/aa/Global_Warming_Predictions.png