Alphabetical listing of categories: R

a b c d e f g h i j k l m n o p q R s t u v w x y z

Number of information resources is shown in parentheses after each term.

radiolaria -> protists (2) advanced spaceborne thermal emission and reflection radiometer -> multispectral imaging (2) Advanced Very High Resolution Radiometer (AVHRR) -> AVHRR (1) Scanning Multichannel Microwave Radiometer (SMMR) -> SMMR (1) radiometric age determination -> radiometric dating (1) radiometric dating (1) acid rain -> acid deposition (1) rain -> precipitation (atmospheric) (62) rainfall -> precipitation (atmospheric) (62) rainfall measurement (4) -> precipitation (atmospheric) WITH field inventory and monitoring boat ramps -> hydrographic structures (1) Rb -> rubidium (3) Re -> rhenium (3) real-time kinematic navigation -> GPS measurement (1) reconnaissance -> field inventory and monitoring (28) oxidation and reduction (1) sea surface reflectance -> ocean characteristics (21) seismic reflection methods (5) advanced spaceborne thermal emission and reflection radiometer -> multispectral imaging (2) seismic refraction methods (1) refuse disposal sites -> disposal sites (3) biogeographic regions (1) regions (1) laws and regulations (1) elevation and relief -> topography (23) natural remanent magnetism -> remanent magnetism (4) remanent magnetism (4) remote-sensing data (1) -> remote sensing WITH image collections remote-sensing images (1) -> remote sensing WITH image collections remote sensing (8) planning reports -> reports (1) reports (1) scientific reports -> reports (1) technical reports -> reports (1) workshop reports -> reports (1) covered reservoirs -> reservoirs (1) intermittent reservoirs -> reservoirs (1) reservoirs (1) Advanced Very High Resolution Radiometer (AVHRR) -> AVHRR (1) nuclear magnetic resonance spectroscopy -> chemical analysis (12) natural resource assessment (2) resource assessment -> natural resource assessment (2) resource conservation -> natural resource management (2) natural resource exploration (2) natural resource extraction (9) resource extraction -> natural resource extraction (9) natural resource management (2) resource restoration -> natural resource management (2) anthracite resources -> coal resources (9) bituminous coal resources -> coal resources (9) building stone resources (2) coal resources (9) emergency management resources -> hazards (21) energy resources (12) gas hydrate resources (2) geothermal resources (2) industrial mineral resources -> nonmetallic mineral resources (4) lignite resources -> coal resources (9) metallic mineral resources (6) methane hydrate resources -> gas hydrate resources (2) mineral resources (25) natural gas resources (3) natural resources (38) nonmetallic mineral resources (4) oil resources (1) soil resources (1) subbituminous coal resources -> coal resources (9) petroleum resources (gas) -> natural gas resources (3) petroleum resources (oil) -> oil resources (1) emergency response planning -> hazard preparedness (2) resource restoration -> natural resource management (2) shoreline retreat (3) -> erosion WITH coastal processes reverse faults -> faults (18) rhenium (3) rheology -> deformation (geologic) (51) beach ridges -> ridges (3) icecap ridges -> ridges (3) ridges (3) rios -> rivers (2) riparian areas -> wetlands (1) riparian ecosystems -> wetland ecosystems (2) sea-level rise -> sea-level change (1) sea level rise -> sea-level change (1) rises (seafloor) -> ridges (3) risk assessment (13) river discharge monitoring -> field inventory and monitoring (28) lost rivers -> streams (3) rivers (2) rock composition -> rocks and deposits (77) rockfalls -> landslides (83) rockfalls -> physiographic features (35) igneous rocks (22) intrusive rocks -> plutonic rocks (8) metamorphic rocks (9) plutonic rocks (8) sedimentary rocks (14) volcanic rocks (15) rocks and deposits (77) rubidium (3)