Alphabetical listing of categories: B

optical backscatterance sensing -> optical methods (3) backwaters -> wetlands (26) bacteria (9) bacteriology (1) bahias -> bays (9) bailing stations -> agricultural sites (3) bajadas -> deserts (9) nutrient balance -> nutrient cycling (5) water balance -> water budget (1) banana plantations -> agricultural sites (3) banding -> plant and animal tagging (4) bird banding -> plant and animal tagging (4) bankfull stage -> floods (36) banks (seafloor) -> seafloor features (10) barns -> agricultural sites (3) barrier reefs -> reefs (2) bars (physiographic) (1) baseline characterization -> field inventory and monitoring (324) basement maps (5) -> bedrock geologic units WITH maps and atlases scientific research bases -> research facilities (2) docking basins -> harbors (4) drainage basins (45) petroleum basins -> mineral deposit areas (5) turning basins -> harbors (4) bathymetry (27) bathymetry data -> bathymetry (27) bathymetry measurement (20) bats (4) bayous -> wetlands (26) bays (9) beaches (2) bears (4) black bears -> bears (4) grizzly bears -> bears (4) polar bears -> bears (4) beaver dams -> habitats (2) beaver ponds -> lakes (25) bed forms -> bedforms (2) bedforms (2) bedload -> sediment transport (27) bed load -> sediment transport (27) coal bed methane resources -> coalbed methane resources (7) bedrock geologic units (7) dry stream beds -> streams (51) lake beds -> lakes (25) bees -> bees and wasps (2) bees and wasps (2) animal behavior (8) corn belts -> agricultural regions (1) wheat belts -> agricultural regions (1) benches (seafloor) -> seafloor features (10) road bends -> roadways (2) stream bends -> streams (51) wadi bends -> arroyos (2) benthic ecosystems (3) benthos (1) bights (1) biking -> recreation (2) bioaccumulation (4) biochemistry (5) biocide contamination -> pesticide and herbicide contamination (12) bioconcentration -> bioaccumulation (4) biodegradation (3) biodiversity (18) bioenergetic processes -> biological and physical processes (521) biogeochemical cycling (9) biogeochemical functioning -> biogeochemical cycling (9) biogeochemical processes -> biogeochemical cycling (9) biogeochemistry -> biochemistry (5) biogeographic regions (53) biogeography (65) bioinformatics -> biological informatics (8) biological and physical processes (521) biological diversity -> biodiversity (18) biological informatics (8) biological oceanography -> marine biology (15) biological organisms -> organisms (229) biological population management (44) biological remediation -> bioremediation (5) biological sciences -> life sciences (361) aquatic biology (44) biology -> life sciences (361) cell biology (1) cellular biology -> cell biology (1) developmental biology (1) marine biology (15) wildlife biology (38) biomes -> biogeographic regions (53) bionomics -> ecology (112) bioremediation (5) biosphere -> ecosystems (221) biostratigraphy (9) biota (11) biotelemetry -> telemetry (10) polychlorinated biphenyls -> industrial pollution (5) bird banding -> plant and animal tagging (4) bird flu -> avian influenza (4) birds (62) water birds -> birds (62) bird watching -> recreation (2) bituminous coal resources -> coal resources (12) black bears -> bears (4) blizzards (1) algal blooms (3) blowholes -> physiographic features (87) blowouts -> physiographic features (87) boating -> recreation (2) boat landings -> hydrographic structures (15) boat launches -> hydrographic structures (15) boat ramps -> hydrographic structures (15) boat yards -> harbors (4) boatyards -> harbors (4) planetary bodies (16) water bodies -> hydrographic features (165) pools (water bodies) -> lakes (25) bodies of water -> hydrographic features (165) bogs -> wetlands (26) bolide impact -> impact cratering (3) bolides -> meteorites (5) borderlands (continental margins) -> continental margins (8) border posts -> buildings (4) borders -> administrative and political boundaries (4) borehole logging (4) borehole temperature logging (1) boroughs -> countries, 2nd order divisions (1) botanical gardens -> parks (7) botany (24) ocean bottom characteristics -> sea-floor characteristics (36) bottomlands -> floodplains (2) boulder fields -> physiographic features (87) administrative and political boundaries (4) geographic boundaries -> administrative and political boundaries (4) political boundaries -> administrative and political boundaries (4) boundary regions -> administrative areas (9) brachiopods -> bryozoans and brachiopods (1) bryozoans and brachiopods (1) bridges (2) covered bridges -> bridges (2) bridge scour -> scour (2) brooks -> streams (51) brown tides -> algal blooms (3) bryozoans and brachiopods (1) water budget (1) buffer zones -> administrative areas (9) bugs -> insects (21) buildings (4) civil buildings -> buildings (4) embassy buildings -> buildings (4) exhibition buildings -> buildings (4) government buildings -> buildings (4) legation buildings -> buildings (4) public buildings -> buildings (4) building stone resources (1) composite burn index (1) -> fire damage WITH remote sensing normalized burn ratio (1) -> fire damage WITH remote sensing controlled burns -> controlled fires (1) burns (hydrographic) -> streams (51) bushes -> shrublands (2) business and economics (3) butterflies and moths (6)

Alphabetical index of categories: B