Fires in Two African Regions
 

full-size images:
    Angola and the Democratic Republic of the Congo (1.2 MB)
    Madagascar (2 MB)

There are currently a large number of fires burning in tropical countries around the world. Most recently, the Moderate-resolution Imaging Spectroradiometer (MODIS) obtained these relatively cloud-free looks at Madagascar and Southern Central Africa, revealing quite a few fires across those regions.

The top scene is a true-color image spanning across northern Angola and into the southernmost portion of the Democratic Republic of the Congo, in south central Africa. MODIS acquired this scene on May 16, 2001. The collective haze produced by the many fires (red pixels, more easil seen in the full-size image) appears to be quite thick toward the northeastern corner of the image, along the border between Angola and the Congo.

The dark ribbon-like feature toward the bottom of this image marks the northern edge of the Luando Nature Reserve in Angola. Looking closely at this feature, it appears as if the Luando River is in flood; or, perhaps this is a marshy zone along the Luando River that is prone to standing water in the wake of the rainy season. The Cuanza River marks the southern boundary of the Luando Nature Reserve.

The bottom scene is a true-color image of the island nation of Madagascar—located off the east coast of Mozambique—acquired on May 13, 2001. While the east side of the island is hidden by clouds, the central and west side of Madagascar had dozens of fires (red pixels) burning across what is an already extensively deforested landscape. Fires generally burn with less intensity in the morning, producing less significant smoke plumes than in the afternoon when they heat up. Toward the northwest of the island, notice the rich browns of eroded soil in the water where the Betsiboka and Ikopa Rivers empty into the Mozambique Channel. Without the roots of what was once a thick canopy of vegetation, the soil has nothing to cling to and is therefore easily swept downstream during rainy seasons.

Tracing southward along Madagascar’s west coastline, notice the sediment coloring the water turquoise. Toward the southern end of the island, the waters of the Onilahy River empty into the Bay of Saint Augustin. About 200 km (120 miles) north of the Onilahy River, the Isalo National Park stands out like an emerald island on the light brown landscape.

Image courtesy Jacques Descloitres, MODIS Land Rapid Response Team

Fires in Two African Regions

May 18, 2001
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