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Citizen science: How families can contribute to real science

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Today, many scientists are calling on everyday citizens to help understand the scientific issue of the century, global climate change.

When trying to develop a solid picture of the current climate, climatologists have to look at not just large weather patterns, but at individual microclimates. As the old saying goes, “Rain doesn’t fall the same on all.” Farmers and skiers can testify that hail and snow do not either. Piecing together detailed precipitation maps takes an extensive array of data, far beyond the existing weather monitoring infrastructure. So, rain networks around the country have turned to everyday citizens, families, and classrooms to collect and report rainfall measurements.

The Community Collaborative Rain, Hail and Snow Network, (CoCoRaHS) coordinates local volunteer groups in every state and parts of Canada with sponsorship from the National Oceanographic and Atmospheric Administration (NOAA) and the National Science Foundation (NSF).

CoCoRaHS participants commit to spending a few minutes each day recording measurements taken from rain gauges, or plastic cylinders used for measuring inches of rainfall, placed outside their homes. Volunteers later upload their data to the CoCoRaHS website. The tasks are simple enough that even children can participate with minimal adult assistance.

In the process, kids get practical experience that reinforces several concepts taught in science class, including taking precise volumetric measurements, following consistent protocols, and organizing data.

Unraveling climate change requires not just an understanding of what is happening right now, but also of historic climate data. Fortunately, citizen scientists have collected weather statistics for centuries. However, much of that information must first be teased out of some unlikely places.

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