Shrubland in Senegal, photographed in 1994 by U.S. Geological Survey Scientist G. Gray Tappan as part of his work on West African land cover. Tappan photographed the scene again in 2010.
G Gray Tappan
G. Gray Tappan is a Scientist Emeritus with the US Geological Survey at the USGS Earth Resources Observation and Science (EROS) Center in Sioux Falls, SD.
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Science and Products
Senegal shrubland - 1994
Shrubland in Senegal, photographed in 1994 by U.S. Geological Survey Scientist G. Gray Tappan as part of his work on West African land cover. Tappan photographed the scene again in 2010.
Senegal shrubland - 2010
Shrubland in Senegal, photographed in 2010 by U.S. Geological Survey Scientist G. Gray Tappan as part of his work on West African land cover. Tappan previously photographed the scene in 1994.
Shrubland in Senegal, photographed in 2010 by U.S. Geological Survey Scientist G. Gray Tappan as part of his work on West African land cover. Tappan previously photographed the scene in 1994.
Degraded land in Senegal - 1994
An area of degraded land in the Ferlo region of Senegal, photographed in 1994 by U.S. Geological Survey Scientist G. Gray Tappan as part of his work on West African land cover. Tappan photographed the scene again in 2011.
An area of degraded land in the Ferlo region of Senegal, photographed in 1994 by U.S. Geological Survey Scientist G. Gray Tappan as part of his work on West African land cover. Tappan photographed the scene again in 2011.
Degraded land in Senegal - 2011
An area of degraded land in the Ferlo region of Senegal, photographed in 2011 by U.S. Geological Survey Scientist G. Gray Tappan as part of his work on West African land cover. Tappan had previously photographed the scene in 1994.
An area of degraded land in the Ferlo region of Senegal, photographed in 2011 by U.S. Geological Survey Scientist G. Gray Tappan as part of his work on West African land cover. Tappan had previously photographed the scene in 1994.
Senegal savannah - 1994
A savannah south of Kaffrine in central Senegal, photographed in 1994 by U.S. Geological Survey Scientist G. Gray Tappan as part of his work on West African land cover. Tappan photographed the scene again in 2013.
A savannah south of Kaffrine in central Senegal, photographed in 1994 by U.S. Geological Survey Scientist G. Gray Tappan as part of his work on West African land cover. Tappan photographed the scene again in 2013.
Senegal savannah - 2010
A savannah south of Kaffrine in central Senegal, photographed in 2010 by U.S. Geological Survey Scientist G. Gray Tappan as part of his work on West African land cover. Tappan had previously photographed the scene in 1994.
A savannah south of Kaffrine in central Senegal, photographed in 2010 by U.S. Geological Survey Scientist G. Gray Tappan as part of his work on West African land cover. Tappan had previously photographed the scene in 1994.
Senegal biodiversity - 1984
A scene along a road in east central Senegal, photographed in 1984 by U.S. Geological Survey Scientist G. Gray Tappan as part of his work on West African land cover. Tappan photographed the scene again in 2013.
A scene along a road in east central Senegal, photographed in 1984 by U.S. Geological Survey Scientist G. Gray Tappan as part of his work on West African land cover. Tappan photographed the scene again in 2013.
Senegal biodiversity - 2013
A scene along a road in east-central Senegal, photographed in 2013 by U.S. Geological Survey Scientist G. Gray Tappan as part of his work on West African land cover. Tappan photographed the scene again in 2013.
A scene along a road in east-central Senegal, photographed in 2013 by U.S. Geological Survey Scientist G. Gray Tappan as part of his work on West African land cover. Tappan photographed the scene again in 2013.
Niger River - 2004
The Niger River, as seen from Niamby, Niger, photographed in 2004 by U.S. Geological Survey Scientist G. Gray Tappan as part of his work on West African land cover. Tappan photographed the scene again after a flood in 2012.
The Niger River, as seen from Niamby, Niger, photographed in 2004 by U.S. Geological Survey Scientist G. Gray Tappan as part of his work on West African land cover. Tappan photographed the scene again after a flood in 2012.
Niger River - 2012
The Niger River, as seen from Niamby, Niger, photographed after flooding in 2012 by U.S. Geological Survey Scientist G. Gray Tappan as part of his work on West African land cover. Tappan previously photographed the scene in 2004.
The Niger River, as seen from Niamby, Niger, photographed after flooding in 2012 by U.S. Geological Survey Scientist G. Gray Tappan as part of his work on West African land cover. Tappan previously photographed the scene in 2004.
Senegal landscape - 1983
A landscape scene in Senegal, photographed in 1983 by U.S. Geological Survey Scientist G. Gray Tappan as part of his work on West African land cover. Tappan photographed the scene again in 1994.
A landscape scene in Senegal, photographed in 1983 by U.S. Geological Survey Scientist G. Gray Tappan as part of his work on West African land cover. Tappan photographed the scene again in 1994.
Senegal landscape - 1994
A landscape scene in Senegal, photographed in 1994 by U.S. Geological Survey Scientist G. Gray Tappan as part of his work on West African land cover. Tappan previously photographed the scene in 1983.
A landscape scene in Senegal, photographed in 1994 by U.S. Geological Survey Scientist G. Gray Tappan as part of his work on West African land cover. Tappan previously photographed the scene in 1983.
Senegal vegetation - 2004
A scene along a road in Senegal, photographed in 2004 by U.S. Geological Survey Scientist G. Gray Tappan as part of his work on West African land cover. Tappan had previously photographed the scene in 1994.
A scene along a road in Senegal, photographed in 2004 by U.S. Geological Survey Scientist G. Gray Tappan as part of his work on West African land cover. Tappan had previously photographed the scene in 1994.
Senegal vegetation - 1994
A scene along a road in Senegal, photographed in 1994 by U.S. Geological Survey Scientist G. Gray Tappan as part of his work on West African land cover. Tappan photographed the scene again in 2004.
A scene along a road in Senegal, photographed in 1994 by U.S. Geological Survey Scientist G. Gray Tappan as part of his work on West African land cover. Tappan photographed the scene again in 2004.
Science and Products
Senegal shrubland - 1994
Shrubland in Senegal, photographed in 1994 by U.S. Geological Survey Scientist G. Gray Tappan as part of his work on West African land cover. Tappan photographed the scene again in 2010.
Shrubland in Senegal, photographed in 1994 by U.S. Geological Survey Scientist G. Gray Tappan as part of his work on West African land cover. Tappan photographed the scene again in 2010.
Senegal shrubland - 2010
Shrubland in Senegal, photographed in 2010 by U.S. Geological Survey Scientist G. Gray Tappan as part of his work on West African land cover. Tappan previously photographed the scene in 1994.
Shrubland in Senegal, photographed in 2010 by U.S. Geological Survey Scientist G. Gray Tappan as part of his work on West African land cover. Tappan previously photographed the scene in 1994.
Degraded land in Senegal - 1994
An area of degraded land in the Ferlo region of Senegal, photographed in 1994 by U.S. Geological Survey Scientist G. Gray Tappan as part of his work on West African land cover. Tappan photographed the scene again in 2011.
An area of degraded land in the Ferlo region of Senegal, photographed in 1994 by U.S. Geological Survey Scientist G. Gray Tappan as part of his work on West African land cover. Tappan photographed the scene again in 2011.
Degraded land in Senegal - 2011
An area of degraded land in the Ferlo region of Senegal, photographed in 2011 by U.S. Geological Survey Scientist G. Gray Tappan as part of his work on West African land cover. Tappan had previously photographed the scene in 1994.
An area of degraded land in the Ferlo region of Senegal, photographed in 2011 by U.S. Geological Survey Scientist G. Gray Tappan as part of his work on West African land cover. Tappan had previously photographed the scene in 1994.
Senegal savannah - 1994
A savannah south of Kaffrine in central Senegal, photographed in 1994 by U.S. Geological Survey Scientist G. Gray Tappan as part of his work on West African land cover. Tappan photographed the scene again in 2013.
A savannah south of Kaffrine in central Senegal, photographed in 1994 by U.S. Geological Survey Scientist G. Gray Tappan as part of his work on West African land cover. Tappan photographed the scene again in 2013.
Senegal savannah - 2010
A savannah south of Kaffrine in central Senegal, photographed in 2010 by U.S. Geological Survey Scientist G. Gray Tappan as part of his work on West African land cover. Tappan had previously photographed the scene in 1994.
A savannah south of Kaffrine in central Senegal, photographed in 2010 by U.S. Geological Survey Scientist G. Gray Tappan as part of his work on West African land cover. Tappan had previously photographed the scene in 1994.
Senegal biodiversity - 1984
A scene along a road in east central Senegal, photographed in 1984 by U.S. Geological Survey Scientist G. Gray Tappan as part of his work on West African land cover. Tappan photographed the scene again in 2013.
A scene along a road in east central Senegal, photographed in 1984 by U.S. Geological Survey Scientist G. Gray Tappan as part of his work on West African land cover. Tappan photographed the scene again in 2013.
Senegal biodiversity - 2013
A scene along a road in east-central Senegal, photographed in 2013 by U.S. Geological Survey Scientist G. Gray Tappan as part of his work on West African land cover. Tappan photographed the scene again in 2013.
A scene along a road in east-central Senegal, photographed in 2013 by U.S. Geological Survey Scientist G. Gray Tappan as part of his work on West African land cover. Tappan photographed the scene again in 2013.
Niger River - 2004
The Niger River, as seen from Niamby, Niger, photographed in 2004 by U.S. Geological Survey Scientist G. Gray Tappan as part of his work on West African land cover. Tappan photographed the scene again after a flood in 2012.
The Niger River, as seen from Niamby, Niger, photographed in 2004 by U.S. Geological Survey Scientist G. Gray Tappan as part of his work on West African land cover. Tappan photographed the scene again after a flood in 2012.
Niger River - 2012
The Niger River, as seen from Niamby, Niger, photographed after flooding in 2012 by U.S. Geological Survey Scientist G. Gray Tappan as part of his work on West African land cover. Tappan previously photographed the scene in 2004.
The Niger River, as seen from Niamby, Niger, photographed after flooding in 2012 by U.S. Geological Survey Scientist G. Gray Tappan as part of his work on West African land cover. Tappan previously photographed the scene in 2004.
Senegal landscape - 1983
A landscape scene in Senegal, photographed in 1983 by U.S. Geological Survey Scientist G. Gray Tappan as part of his work on West African land cover. Tappan photographed the scene again in 1994.
A landscape scene in Senegal, photographed in 1983 by U.S. Geological Survey Scientist G. Gray Tappan as part of his work on West African land cover. Tappan photographed the scene again in 1994.
Senegal landscape - 1994
A landscape scene in Senegal, photographed in 1994 by U.S. Geological Survey Scientist G. Gray Tappan as part of his work on West African land cover. Tappan previously photographed the scene in 1983.
A landscape scene in Senegal, photographed in 1994 by U.S. Geological Survey Scientist G. Gray Tappan as part of his work on West African land cover. Tappan previously photographed the scene in 1983.
Senegal vegetation - 2004
A scene along a road in Senegal, photographed in 2004 by U.S. Geological Survey Scientist G. Gray Tappan as part of his work on West African land cover. Tappan had previously photographed the scene in 1994.
A scene along a road in Senegal, photographed in 2004 by U.S. Geological Survey Scientist G. Gray Tappan as part of his work on West African land cover. Tappan had previously photographed the scene in 1994.
Senegal vegetation - 1994
A scene along a road in Senegal, photographed in 1994 by U.S. Geological Survey Scientist G. Gray Tappan as part of his work on West African land cover. Tappan photographed the scene again in 2004.
A scene along a road in Senegal, photographed in 1994 by U.S. Geological Survey Scientist G. Gray Tappan as part of his work on West African land cover. Tappan photographed the scene again in 2004.