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Author Question: African dust from the Sahara desert is observed across the Atlantic as far west as the Caribbean ... (Read 101 times)

beccaep

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on: Feb 28, 2020
African dust from the Sahara desert is observed across the Atlantic as far west as the Caribbean region where it produces a hazy sky condition during the annual dry season. You are a climate scientist and make a prediction that the Sahara was not a desert during glacial periods in the northern hemisphere. How could you test this hypothesis by looking at deep sea sediments from the Atlantic off west Africa?
◦ The hypothesis is untestable with deep sea sediment.
◦ You would look at fossils to see if there were organisms that preferred dusty conditions vs. clear water conditions.
◦ You could measure the isotopes in the sediment to estimate the sea surface temperatures.
◦ You could look at the sediments to see if there were biogenic sediments interbedded with sediments with terrigeneous input corresponding to the dry, interglacial intervals.
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Marked as best answer by beccaep on Feb 28, 2020

moormoney

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Reply #1 on: Feb 28, 2020
Lorsum iprem. Lorsus sur ipci. Lorsem sur iprem. Lorsum sur ipdi, lorsem sur ipci. Lorsum sur iprium, valum sur ipci et, vala sur ipci. Lorsem sur ipci, lorsa sur iprem. Valus sur ipdi. Lorsus sur iprium nunc, valem sur iprium. Valem sur ipdi. Lorsa sur iprium. Lorsum sur iprium. Valem sur ipdi. Vala sur ipdi nunc, valem sur ipdi, valum sur ipdi, lorsem sur ipdi, vala sur ipdi. Valem sur iprem nunc, lorsa sur iprium. Valum sur ipdi et, lorsus sur ipci. Valem sur iprem. Valem sur ipci. Lorsa sur iprium. Lorsem sur ipci, valus sur iprem. Lorsem sur iprem nunc, valus sur iprium.
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beccaep

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Reply 2 on: Feb 28, 2020
Great answer, keep it coming :)

Dominic

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Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

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