It has been found in the air 400 miles out to sea and two miles up in the atmosphere. Rain and morning temperatures below 50 degrees Fahrenheit slow down the release of pollen. frankenmuth medexpress Near the plants, the pollen counts are highest right after dawn. Researchers can reference this record to infer climate conditions for time periods with no direct observational data by determining what conditions were favorable to pollen types found in the sediment. 14 Today Hourly Your Privacy See our Privacy Policy to learn about the types of data we collect and.Pollen grains that accumulate in sediments can provide a record of the vegetation that grew on or adjacent to the shore in different time periods.
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