Wildfires dot central Russia's landscape

Jul 10, 2014
Credit: Jeff Schmaltz, MODIS Rapid Response Team. Caption: NASA/Goddard, Lynn Jenner

This natural-color satellite image was collected by the Moderate Resolution Imaging Spectroradiometer (MODIS) aboard the Aqua satellite on July 10, 2014. Each hot spot, which appears as a red mark, is an area where the thermal detectors on the MODIS instrument recognized temperatures higher than background. When accompanied by plumes of smoke, as in this image, such hot spots are diagnostic for fire.

This area of Russia is extremely remote with little danger coming directly from the fires, although the smoke released by any type of fire (forest, brush, crop, structure, tires, waste or wood burning) is a mixture of particles and chemicals produced by incomplete burning of carbon-containing materials. All smoke contains carbon monoxide, carbon dioxide and particulate matter (PM or soot). Smoke can contain many different chemicals, including aldehydes, acid gases, sulfur dioxide, nitrogen oxides, (PAHs), benzene, toluene, styrene, metals and dioxins.

The type and amount of particles and chemicals in smoke varies depending on what is burning, how much oxygen is available, and the burn temperature. Winds carry the smoke to more densely populated areas so all fire can still be deleterious to the health of the population if the smoke reaches more populated area.

Explore further: NASA image: Fires in the Yucatan Peninsula in April 2014

add to favorites email to friend print save as pdf

Related Stories

NASA image: Agricultural fires across Sierra Leone

Mar 25, 2014

Marked in red, hundreds of land use fires burn in the fields across Sierra Leone. Most fires in this region are deliberately set for a variety of reasons, including slash and burn agriculture. When a plot ...

Fires in Eastern Russian and Siberia

Jul 22, 2013

Forest fires are burning north and east of Russia's Irkutsk Oblast. The Irkutsk Oblast is located in southeastern Siberia in the basins of Angara, Lena, and Nizhnyaya Tunguska Rivers.

NASA image: Fires in Bolivia Aug. 31, 2013

Sep 03, 2013

Fires burned throughout Bolivia in late August. The Moderate Resolution Imaging Spectroradiometer (MODIS) on NASA's Aqua satellite captured this natural-color image on August 31, 2013.

Image: Agricultural fires across the Indochina landscape

Mar 07, 2014

Agricultural fires are still burning in Indochina ten days after the last NASA web posting about the fires. This natural-color image, taken on March 07, 2014, by the Moderate Resolution Imaging Spectroradiometer, ...

Recommended for you

Strong quake hits east Indonesia; no tsunami threat

6 hours ago

A strong earthquake struck off the coast of eastern Indonesia on Sunday evening, but there were no immediate reports of injuries or damage, and authorities said there was no threat of a tsunami.

Scientists make strides in tsunami warning since 2004

Dec 19, 2014

The 2004 tsunami led to greater global cooperation and improved techniques for detecting waves that could reach faraway shores, even though scientists still cannot predict when an earthquake will strike.

Trade winds ventilate the tropical oceans

Dec 19, 2014

Long-term observations indicate that the oxygen minimum zones in the tropical oceans have expanded in recent decades. The reason is still unknown. Now scientists at the GEOMAR Helmholtz Centre for Ocean Research ...

User comments : 0

Please sign in to add a comment. Registration is free, and takes less than a minute. Read more

Click here to reset your password.
Sign in to get notified via email when new comments are made.