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Transcript of Erik Halvorsen Telemark University College Department of science education [email protected]...
![Page 1: Erik Halvorsen Telemark University College Department of science education erik.halvorsen@hit.no Water data at the GLOBE server -experience from working.](https://reader036.fdocuments.in/reader036/viewer/2022062314/56649ebc5503460f94bc5971/html5/thumbnails/1.jpg)
Erik Halvorsen
Telemark University College
Department of science education
Water data at the GLOBE server -experience from working with the
Water Cycle theme in the e-LSEE project
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Introduction
The e-LSEE group in Norway has been working with Water as the main theme. One of the reasons for this is the strong position of water in the curriculum for science in Norway.
Another reason is the number of large floods in 2002.
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Content:Water data at the GLOBE server
AtmosphereCloud observationRainfallSolid precipitationHumidity
Assessment of the dataExample: Water cycleTeacher student evaluation of water data
Surface WaterAssessment of the data and their usefulness
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Floods in 2002
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Water data at the GLOBE server – august 2002
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Assessment of quality and usefulness of the data
• Rainfall– Monthly average calculations require
measurements in at least 20 days– Instruments are well designed.– My experience is that measurements are
reliable– But the number of schools that are measuring
rainfall is too small and scattered for more detailed investigations
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Theme: Water cycle
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Rainfall in september 2002
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The connection between rainfall and flood investigated by GLOBE data
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Results from teacher student evaluation
Are the data and/or visualisations in the theme clear?
Yes: 60 No: 30
Are the data and/or visualisations in the theme easy to interpret?
Yes: 85 No: 5
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Results from teacher student evaluation
Are the data and/or visualisations in the theme relevant?
Yes: 60 No: 30
Is the theme linked to the school curricular?
Yes: 90 No: 0
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Water data at the GLOBE server – Surface water conductivity
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How many data are there?
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Conclucions
• The number of schools that are measuring is too small• The measurements are too scattered for more detailed investigations• A few schools have excellent data series