Question

Which of the following is  not an example of proxy data used for paleoclimate reconstruction? a. Pollen...

Which of the following is  not an example of proxy data used for paleoclimate reconstruction?

a.

Pollen records extracted from lake sediments.

b.

Oxygen isotopes in ice cores.

c.

Tree ring patterns from bristlecone pines.

d.

Radiocarbon isotopes from sea water.

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Answer #1

Proxy data includes tree ring, ice core, sediment cores(pollen) etc but not radiocarbon isotopes from sea water

Therefore D. Radiocarbon isotopes from sea water

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