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Discover how the GLOBE community is engaging in all things GLOBE through the community blog posts below.

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Hello from Medford Memorial Middle School in Medford, New Jersey. The quest to get an accurate soil sample continues at Medford Memorial Middle School, Medford NJ. Hello, we are the students of Memorial’s Citizen Science Education Program. We’re excited to be part of the SMAP campaign, but have not yet been able to enter any data.  Here’s a brief overview of our journey. First, we learned about SMAP as a satellite, and then we studied the protocol. We didn’t have any soil sample cans, so we settled on a sturdy coffee can, Ryan had brought in from home. Ashwin measured 5 cm from ...

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Posted in: Field Campaigns: SMAP   Investigation Areas: BULK DENSITY   SOIL MOISTURE - SMAP BLOCK PATTERN   SOIL MOISTURE - GRAVIMETRIC   PEDOSPHERE (SOIL)   Primary Audience: TRAINERS   TEACHERS   STUDENTS   PARTNERS   SCIENTISTS   ALUMNI   COUNTRY COORDINATORS  

Guest Blog by NASA SMAP Scientists Dr. Erika Podest and Dr. Narendra Das of the NASA Jet Propulsion Laboratory in Pasadena, California USA. SMAP scientists are using soil moisture in a number of ways, ways that allow all of us to better understand water’s role on Earth: Weather Prediction : Water in the soil has the potential to evaporate (depending on atmospheric temperature and pressure) and when it does it plays a large role in cloud formation. Soil moisture also has a modulating effect on air temperature and humidity therefore having the ability to measure soil moisture ...

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Posted in: Field Campaigns: SMAP   GLOBE Science Topics: EARTH AS A SYSTEM   SCIENTIST SKILLS   EARTH SYSTEM SCIENCE   GENERAL SCIENCE   GLOBE PROTOCOLS   Investigation Areas: PEDOSPHERE (SOIL)   Primary Audience: TRAINERS   TEACHERS   STUDENTS   PARTNERS   SCIENTISTS   ALUMNI   COUNTRY COORDINATORS  

Have you ever wondered how the SMAP satellite, with an altitude of 685 km (425 miles) above the Earth, can take measurements as precise as the amount of water in the Earth's soil? The quick answer is that it requires precisely calibrated instruments, along with a technological marvel in satellite design. SMAP was designed to use a combination of two precise instruments, one with high resolution, one with high accuracy. THE INSTRUMENTS: Active (High Resolution): SMAP’s radar was designed accurately measure the echoes of very short radio frequency (RF) pulses that bounce ...

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Posted in: Curriculum: SCIENCE AND MATH   TECHNOLOGY   Field Campaigns: SMAP   GLOBE Science Topics: EARTH SYSTEM SCIENCE   Investigation Areas: PEDOSPHERE (SOIL)   Primary Audience: TRAINERS   TEACHERS   STUDENTS   PARTNERS   SCIENTISTS   ALUMNI   COUNTRY COORDINATORS