Images

Evaportranspiration equipment along the Tracey Segment

This map is based on data from the Mars Orbiter Laser Altimeter (MOLA; Smith and others, 2001), an instrument on NASA’s Mars Global Surveyor (MGS) spacecraft (Albee and others, 2001).

Sagebrush-dominated ecoregions in the western United States (sagebrush cover types shown in various shades of yellow, pink, and blue-grey).

Double-crested cormorant perched on a tree limb.

Double-crested cormorant perched on a tree.

A color banded plover in the hand of a scientist. 

Paul Schuster, USGS, holding an ice core of Aufice (meaning over ice). Each layer represents a groundwater overflow event. Groundwater flows are predicted to increase with warming temperatures likely affecting the formation of Aufice in the Yukon River basin.

Black-crowned night-heron on the grassy turf of a wetland.

Black-necked stilt (Hawaiian stilit).

Black-necked Stilt (Hawaiian stilit).

Two Black-necked stilts wading in a wetland.

Hawaiian Coot swimming in a wetland marsh. Listed as an endangered species in 1970. Dark gray with a white bill and frontal shield that varies from white, pale buff, and pale blue to deep red.

Children playing in a makeshift swimming pool at a colonia in Aqua Prieta, Sonora, Mexico. Scientists examine the growing health concerns related to the fate of hazardous wastes and contaminants introduced into the air, water, and soils of the Borderlands region, as well as pathogens carried by wildlife, domesticated animals, and humans.

Example of the Landsat 7 ETM+ Collection 2 level-1 product. This Landsat 7 image was acquired on January 1, 2003 near Ciudad Obregón, Mexico and is shown as a natural color composite using the red, green, and blue bands (bands 3,2,1).

Nene (Hawaiian goose). This species is listed as Vulnerable by IUCN.

Nene (Hawaiian goose). This species is considered vulnerable by the IUCN.

Nene (Hawaiian goose). This species is listed as Vulnerable by the IUCN.

Nene (Hawaiian goose). This species is listed as Vulnerable by the IUCN.

Whirlpool indicating loss of river flow to the underlying Fricano Fracture.

Catacombs No. 1, with approximately 4 cubic feet per second flowing through the karst window.

A dye study showing the underground flow near Catacomb No. 1.