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Mission managers at NASA's Jet Propulsion Laboratory, Pasadena, California, are assessing an anomaly with the radar instrument on NASA's Soil Moisture Active Passive (SMAP) satellite observatory. The radar is one of two science instruments on SMAP used to map global soil moisture and detect whether soils are frozen or thawed.
See more HERE!
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In the summer of 2014 - at the International Student Learning Expedition in New Delhi, India, the GLOBE Implementation Office along with NASA's GLOBE Program Manager established formal working groups to engage in discussions around a variety of GLOBE Research/Science, Education, Evaluation, Communications, and Technology challenges now and into the future.
These groups comprise memberships from around the world with participants from science, education and technical institutions, and GLOBE Country and Regional Coordinators.
I was honored and pleased to have been elected to ...
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GLOBE Working Groups:
TECHNOLOGY WORKING GROUP
Hello GLOBE friends!
The Evaluation Working Group was formed last summer and our first meeting took place during the GLE in New Delhi, India. The purpose of this group is to get in touch with the people who actually do GLOBE all over the world and find out how the Program works in schools, identify tools, resources and practices, build on the existing experience and provide suggestions that can help its implementation and outcomes.
For this purpose, and after having several teleconferences, we developed a set of questions that were included in the Annual Partner Survey. ...
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GLOBE Working Groups:
EVALUATION WORKING GROUP
The Soil Moisture Active Passive (SMAP) mission has engaged with GLOBE to obtain surface soil moisture measurements from student citizen scientists. These measurements will become part of SMAP’s calibration/validation effort. Gravimetric soil moisture measurements are the gold standard for this environmental variable, and these may be taken by almost anyone. Through GLOBE, the resulting data can be reported and archived and put to use by the SMAP Science Team.
SMAP scientists have indicated that measurements from clusters of 10 sites within a 10 km radius circle are particularly ...
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The radar measurements made by NASA's Soil Moisture Active Passive (SMAP) observatory are sensitive to whether land surfaces are frozen or thawed. As liquid water freezes in soil, the water molecules become bound in a crystalline lattice, which changes how the incoming radar energy from SMAP interacts with Earth's surface, compared to soil containing freely oriented liquid water molecules.
Read more HERE!
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"With its antenna now spinning at full speed, NASA's new Soil Moisture Active Passive (SMAP) observatory has successfully re-tested its science instruments and generated its first global maps, a key step to beginning routine science operations next month."
Read more HERE !
Brian
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Hello reader! My name is George Duffy! I am a graduate student from the University of Urbana Champaign, and I am excited to begin sharing my experience as a GPM graduate researcher of with you.
My research focuses on snow, or more specifically, snowfall retrieval. Technically, the GPM satellite doesn't measure precipitation, it measures radar echoes from its Dual Frequency Precipitation Radar (DPR) and radiation from it's General Microwave Imager (GMI). It's up to us to develop algorithms that can retrieve precipitation information from these radar images. It's ...
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The term “won in a landslide” is particularly troubling to me because when a landslide happens, the kind that I study at least, there are seldom “winners”. My research looks at how rainfall interacts with the environment to cause natural disasters like flooding and landslides. Knowing where, when and how much rain or snow is falling is key to understanding where we may have extreme events that can impact people.
If you consider where we get a lot of rainfall, like some of our tropical regions…
...and combine that with areas that have the right factors to cause a landslide, such ...
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So, now that we have a satellite in space called SMAP, why is the data from the spacecraft so important?
SMAP will help:
Monitor Drought
Predict Floods
Assist Crop Productivity
Improve Weather Forecasting
Linking Water, Energy, and Carbon Cycles
Read more HERE
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To find our where the SMAP spacecraft is, at any time in relation to my school, you can check on the S MAP Orbit Calculator Tool !
As you might have noticed in the SMAP Block Pattern Soil Moisture Protocol document, we recommend that measurements be taken and collected around 9:00am local time. This is due to the SMAP spacecraft's 6am and 6pm local time equator crossings. In order to have optimal SMAP comparison/validation data, it is vital to take your measurements as close to the 9am local time as possible.
Any questions, please contact me at Brian.A.Campbell@nasa.gov ...
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Hi, my name is Anna Wilson. I moved to Asheville, NC in the summer of 2004, just before several floods caused by tropical storms left me without power for more than a week. This spurred my previously casual interest in the weather to become an obsession that eventually prompted me to go back to school. Here I am with a PARSIVEL disdrometer (an instrument that measures the size and velocity of particles that pass through its sampling area), after I completed my bachelor’s degree in Atmospheric Science and started working towards my PhD in Environmental Engineering:
(photo credit: ...
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Hi Everyone,
This past week and a half has been rather quiet as we performed two orbital maneuvers. The first maneuver placed the spacecraft at an altitude closer to its final orbit. The second one slightly adjusted the inclination of the orbit to ensure that SMAP goes over the equator at approximately 6:00 am and 6:00 pm every day, which are the ideal times to obtain our science measurements.
For those of you wondering how SMAP maneuvers around, the spacecraft contains a single pressurized propellant tank carrying 81 kilograms (179 pounds) of hydrazine. The spacecraft adjusts ...
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As you know, SMAP will be giving us unprecedented soil moisture data from around the Earth. But, did you know that SMAP is also looking at frozen soil?
Check out the article link below to learn more about this measurement and how it aligns to our better understanding of our ecosystem and climate change.
"Let It Go! SMAP Almost Ready to Map Frozen Soil"
SMAPtastic,
Brian
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Hey All,
We just finished up a two-day GLOBE Train-the-Trainer Workshop at the GEMS World Academy in Chicago, Illinois. Trainers from across the USA came to learn about several NASA Earth Science Missions and their affiliation with GLOBE and associated protocols. Those missions are Cloud Satellite (Cloudsat), Global Precipitation Measurement (GPM), Soil Moisture Active Passive (SMAP), and Landsat.
On the SMAP side of things, we had a bit of a tough time digging out soil samples for the SMAP Block Pattern Soil Moisture Protocol due to snow/ice cover and partially frozen soil*. ...
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Hi Everyone,
This past week has been smooth sailing as we tested both of our instruments, the radar and the radiometer. The radar’s high power transmitter was turned on as the spacecraft was flying over the North Atlantic and then over Greenland. The telemetry data looked great and the signals received clearly showed the transition from ocean to land (yay!). There were some biases with the data that still need to be worked out, however everything is working and we will have a better sense of the quality of the radar data once the antenna starts spinning. During this past week we also ...
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Fresh off the recent successful deployment of its 20-foot (6-meter) reflector antenna and associated boom arm, NASA's new Soil Moisture Active Passive (SMAP) observatory has successfully completed a two-day test of its science instruments.
The observatory's radar and radiometer instruments were successfully operated for the first time with SMAP's antenna in a non-spinning mode on Feb. 27 and 28. The test was a key step in preparation for the planned spin-up of SMAP's antenna to approximately 15 revolutions per minute in late March. The spin-up will be performed in a two-step process ...
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WOW! If you are not amazed by this GPM Data Visualization loop, you should be!
( www.youtube.com/embed/ILNC7IdyWVU?enablejsapi=1&rel=0 )
Earth SySTEM is an approach to STEM Education that utilizes the current and future technological infrastructure of satellite imagery, remote sensing, and computer visualizations, and data archives in the study of Earth as a System .
So the question becomes, besides being pretty pictures, what else can students do with these types of satellite images, remote sensing and computer visualizations? There are many ...
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Hi Everyone,
The major milestone this past week was the deployment of the reflector antenna/boom assembly (RBA), which refers to a 5-meter (~16 foot) long boom that holds a 6-meter (~20 foot) diameter antenna at the end of it. For launch the RBA was folded against the spacecraft to fit within the launch vehicle fairing. The boom and antenna together weigh 58 kilograms (127 pounds). Yes, super light for something that size. The boom is a carbon composite structure, made of multiple layers of carbon fiber cloth that are impregnated with a special resin, then baked to create a ...
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Last Friday, February 27th, was the one-year anniversary of the launch of the Global Precipitation Measurement Mission Core Observatory, and coinciding with that event, released its first global map of rainfall and snowfall, covering the period from April 2014 to September 2014. The data map combines measurements from 12 satellites and the GPM Core Observatory, which serves to unify the data from all the satellites, like the lead violin in an orchestra tuning the rest of the instruments. The result is NASA's Integrated Multi-satellite Retrievals for GPM data product, called IMERG, ...
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Hi Everyone,
A lot has happened since my last posting. The mission operations team has been hard at work testing the spacecraft and learning its intricacies. Having a new satellite in space is like driving a new car, it takes a little while to learn how it behaves and reacts.
This past week we’ve been testing subsystems and making sure that temperatures and voltages are within range. Also, we have transitioned the spacecraft to point directly at the ground (nadir). While not everything has behaved as expected, the team has addressed some minor yet unexpected issues quickly and ...
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