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Where on Earth...? MISR Mystery Quizzes
Where on Earth...? MISR Mystery Image Quiz #23
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(See quiz answers or a list of previous quizzes.)

Where on Earth...? MISR Mystery Image Quiz #23
11/23/2005

Here's another chance to play geographical detective! This natural-color image from the Multi-angle Imaging SpectroRadiometer (MISR) represents an area of about 473 kilometers x 372 kilometers, and was captured by the instrument's vertical-viewing (nadir) camera in March, 2004. Use any reference materials you like and answer the following 4 questions.

NOTE: To make identification of this scene more difficult, the image has been rotated such that north is not necessarily at the top.

1. Situated below and to the right of image center there is a distinctive round lake with the small interior island off to the side of it. Three of the following four statements about the lake are true. Which one is false?
(A) The clarity of the water in that round lake is very good because the water does not come from surface catchments, but from rainfall or snow that fell directly into the lake and accumulated over time.
(B) The lake is the result of a volcanic eruption, which was recorded in the oral history and legends from the region.
(C) The small interior island was named for its resemblance to a particular style of head-wear.
(D) Soundings of the lake show that it is the deepest lake on the continent in which it is found.

2. Three of the following four statements concerning the landscape of the image area are true. Which one is false?
(A) Amid the snow-capped mountains near image center there is a collection of many lakes, some of which remain partially covered by ice throughout the year.
(B) In the lower right-hand corner is a large tan patch that is surrounded by the deep green forested areas. This large tan area indicates relatively bare soil and scarce vegetation resulting from the large forest fires that occurred there in 2002.
(C) Between 30 and 80 kilometers above and to the right of the distinctive round lake there are several irregularly shaped dark brown patches that contrast with the tan hue that dominates this part of the landscape. The dark brown areas are burn scars from fires that took place in 2003.
(D) The many small tan areas that appear like a patchwork pattern among the green forests in the lower half of the image indicate logging activities -- only about 10 percent of the forested ecoregion within the lower-right-hand portion of the image area is legally protected from logging.

3. Three of the following four statements related to energy sources within the image area are false. Which one is true?
(A) There is an active uranium mining site within the image area.
(B) Coal has been in continuous production since the 1950s at a coal mine situated in the lower-right-hand image area.
(C) The first hydroelectricity power-generating station within the image area was not established until the first decade of the 20th century.
(D) Situated within the lower-right-hand portion of the image area is a well over 500 meters deep, which was drilled for the purpose of harnessing geothermal energy.

4. Three of the following four statements about the ecology and geology of the region are true. Which one is false?
(A) In the upper-right-hand image corner there are several large, shallow, closed-basin alkaline lakes that support brine shrimp and other aquatic invertebrates, which in turn supply food for millions of migratory birds.
(B) Around the water bodies and rivers throughout this region are many known breeding locations for large birds of the genus Haliaeetus.
(C) Within the lower half of the image area is a lava-tube in which the longest uncollapsed segment measures more than three kilometers long.
(D) In the upper-left-hand part of the image there is a landscape that, due to ancient lava flow, remains almost entirely devoid of vegetation across an area of about 1,600 acres -- and that lava-flow landscape was used in the 1960s as an analogue for an extraterrestrial environment during scientific simulation studies.

MISR was built and is managed by NASA's Jet Propulsion Laboratory, Pasadena, CA, for NASA's Office of Earth Science, Washington, DC. The Terra satellite is managed by NASA's Goddard Space Flight Center, Greenbelt, MD. JPL is a division of the California Institute of Technology.

A new "Where on Earth...?" mystery will appear quarterly. The image also appears on the following NASA websites: NASA Earth Portal, NASA Jet Propulsion Laboratory, NASA Climate Change, NASA Earth Observatory and the Atmospheric Sciences Data Center, though typically with a several-hour delay.

Credit: Image credit: NASA/GSFC/LaRC/JPL, MISR Team.
Text acknowledgment: Clare Averill (Raytheon RIS/ Jet Propulsion Laboratory) and Shirley Mims (Glendale Community College/Jet Propulsion Laboratory).

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