Learn how plants respond to higher atmospheric CO2 concentrations

How does rising atmospheric CO2 affect marine organisms?

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Upper-Air Radiosonde (Balloon) Temperature Calculations


For a description of the Upper-Air Radiosonde (Balloon) data set, click here.

To calculate a trend, input a period of record and a latitude range.  If you are unsure how and what to enter for these terms, click here.  Results will be returned in approximately 5 to 10 seconds after you have entered these parameters and clicked on the "Calculate trend" button below.

Beginning Year: Ending Year:
Southernmost Latitude: Northernmost Latitude: