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COMPARISON OF CLOUDS FIXED BY PALUPERA GLOBE MEMBERS AND NASA SATELLITES

Organization(s):Palupera Primary School
Country:Estonia
Student(s):Marite-Marielle Treial Terle Tamm
Grade Level:Middle School (grades 6-8, ages 11-14)
GLOBE Educator(s):Arvet Silk
Contributors:Johanna Raudsepp Laura Altin
Report Type(s):International Virtual Science Symposium Report
Protocols:Clouds
Presentation Poster: View Document
Language(s):English, Other (Estonian)
Date Submitted:03/08/2020
The analysis of data covered the period from 15 August 2017 to 28 August 2018, or almost one calendar year. The comparison could be carried out for 180 days with no satellite data available for the other days since only the data was taken into account when the satellite was passed from the GLOBE observation site for +/-15 minutes compared to the GLOBE observation time. The first data of the observation period are from satellites Aqua and Terra. The GEO satellite began to fly over the observation site from January 2018. By August 2018 there was consistent GEO satellite data, other satellites rarely crossed the site. The greatest match in the results of gathered and satellite data were in the cases of general cloud coverage and upper (high) clouds. Medium and low clouds were in many cases exchanged. The biggest difference was between the Palupera GLOBE site data and the GEO satellite data. In cases where the measurements were carried out by two or three satellites at the same time, the biggest match was between Aqua and Terra GEO satellite data differed from other satellites data, not just the data from the Palupera GLOBE site The hypothesis was confirmed — in the case of overall sky clouds, the result match was more than 50%, with GEO satellite results being greater.



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