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Category Archives: Outreach
Celebrating Zero Emissions Day with Landsat – A Solar Farm in Wapello, Iowa
Disaster at Lake Delhi – #Landsat50
Well, it’s Water Wednesday. Today’s Landsat highlight is a time lapse video (2007-2017) showing the effect of a 2010 dam breach on the water level of Lake Delhi located in Delaware County in eastern Iowa. Notice the dramatic decrease in water and the exposure of large sandbars and the refilling of the lake as the dam is restored.
This year we are celebrating 50 years of the Landsat earth observing satellite mission. Landsat data helps us observe changes in our communities and environment over time.
How are you celebrating the Landsat’s Golden Jubilee?
To celebrate the Landsat Golden Jubilee, consider taking a virtual visit to Camp Landsat! This summer Camp Landsat is celebrating this exciting anniversary with 5 weeks of programming, celebrating the 5 decades of Landsat’s continuous mission. This week the theme is People and Places.
Enjoy and explore many activities from Camp Landsat including:
- A time-lapse video featuring urban growth in Shanghai, China
- Oh, the Places We Go! Story Map
- Take the 2022 GLOBE Land Cover Challenge
- Create a stunning Landsat Collage
- Write a postcard from Camp Landsat featuring view from Naples, Italy
Stay Cool and Keep Observing!
Celebrating 50 years of Landsat Earth Observation!
Saturday, July 23, 2022 marked the 50th anniversary of the launch of the USGS/NASA Landsat earth observing satellite mission. With the launch in 1972, Landsat has continued its earth observation mission and become the longest continuous earth observing satellite.
Enjoy this video recalling the launch and explaining the beginning of the earth observing satellite mission, Landsat 9 – Part 1: Getting off The Ground: https://www.youtube.com/watch?v=FlRf17Egexo.
Keep Observing!
Approaching Registration Deadline – July 8th
The registration deadline for this summer’s GIS workshop for educators is July 8, 2022.
Register today!
https://www.wmpenn.edu/k12-teacher-workshop/
Happy Summer Solstice Week! Let’s head to the lake!
We are continuing our celebration of the 50th year of the US Landsat satellite imagery program. This week we are heading to the lake – Clear Lake, Iowa, located in north central Iowa.
Below are four images showing Summer Solstice (6/13/2019), Fall Equinox (9/17/2019), Winter Solstice (12/22/2019), and Spring Equinox (3/18/2019) from Landsat 8. The images are presented in color infrared which shows vegetation in red rather than green for better contrast.
Observations:
- At Summer Solstice things are still greening up while at Fall Equinox the fields are all green and some are beginning to be harvested.
- Observe the different states of the lake: open water, snow covered, and frozen.
- The topography of the landscape (ie. hills and roughness) are much more apparent with snow on the ground. In the summer/fall images, it all looks flat.
What else do you notice? Happy Observing!
Way back when before the Saylorville Dam – #Throwback Thursday
It’s another Throwback Thursday. Saylorville Lake and Dam are located in Central Iowa northwest of Des Moines, Iowa. The Saylorville complex was built to help with flood control and as a drinking water source for surrounding communities. At normal levels, the Saylorville reservoir stores 21.1 billion gallons of water with capacity at flood levels to hold 204.1 billion gallons of water.
Below are several resources if you are interested to learn more about this important structure north of Des Moines:
- U.S. Army Corps of Engineers – Saylorville Lake Fact Sheet – https://www.mvr.usace.army.mil/Portals/48/docs/CC/FactSheets/ODS/Saylorville%20Lake%20-%20Operations.pdf
- GEOLOGY OF THE SAYLORVILLE SPILLWAY; AFTER THE FLOOD OF 2008 – https://www.iihr.uiowa.edu/igs/publications/uploads/GSI-084.pdf
- A Guide to Saylorville Lake in Central Iowa – https://desmoinesoutdoors.com/a-guide-to-saylorville-lake-in-central-iowa/
This year we are celebrating 50 years of the Landsat earth observing satellite mission. Landsat data helps us observe changes in our communities and environment over time.
Join in the Upcoming Summer GIS Workshop for Educators
Dear Teachers,
As the summer approaches, we wanted to encourage you to save the date for an upcoming GIS workshop for K-12 educators being held at William Penn University in Oskaloosa, Iowa on July 20-21, 2022. See attached poster for more details. Also please send us an email if you are interested but can’t make this event. If there is enough interest, we may hold a second workshop, in August or the fall.
Please contact Amy Logan or Debbie Stevens with any questions.
Brushy Creek: The Birth Of A Reservoir – #Time Lapse Tuesday
Today’s time lapse video is highlighting the damming of Brushy Creek and the creation of 690-acre Brushy Creek Lake, Iowa’s deepest artificial lake.
Watch the dam development begin around 1994 and then the lake begin to fill around 1998. The Brushy Creek State Recreation Area is a 6500-acre park located in north central Iowa. To read more about the park at the Iowa Department of the Natural Resources Brushy Creek page: https://www.iowadnr.gov/portals/idnr/uploads/parks/parkmaps/brushycreekmap.pdf
This year we are celebrating 50 years of the Landsat earth observing satellite mission. Landsat data helps us observe changes in our communities and environment over time.