USGS Thesaurus

  1. Home
  2. H: 68 terms
  1. H USE hydrogen
  2. H5N1 USE avian influenza
  3. habitat alteration
  4. habitat destruction USE habitat alteration
  5. habitat fragmentation USE habitat alteration
  6. habitats
  7. hadean
  8. hafnium
  9. halogen elements
  10. hand-held field spectroscopy USE handheld field spectroscopy
  11. handheld field spectroscopy
  12. hardness (water) USE water hardness
  13. harmful algal blooms USE algal blooms
  14. hassium
  15. hazard mitigation USE hazard preparedness
  16. hazard preparedness
  17. hazards
  18. He USE helium
  19. health (human) USE environmental health (human)
  20. health and disease
  21. heat flow (earth)
  22. heatflow (earth) USE heat flow (earth)
  23. helium
  24. herbicide contamination USE pesticide and herbicide contamination
  25. herbivores
  26. heredity USE genetics
  27. herpetology
  28. Hf USE hafnium
  29. Hg USE mercury
  30. high-pressure liquid chromatography USE liquid chromatography
  31. hiking USE recreation
  32. histology
  33. Ho USE holmium
  34. holmium
  35. holocene
  36. horizontal datums USE map coordinate systems
  37. horseshoe crabs
  38. horticulture USE agriculture
  39. HPAI USE avian influenza
  40. HPLC USE liquid chromatography
  41. Hs USE hassium
  42. human disease USE environmental health (human)
  43. human environmental safety
  44. human health USE environmental health (human)
  45. human impacts
  46. hunting USE recreation
  47. hurricanes
  48. hydraulic engineering
  49. hydraulic models USE hydraulic engineering
  50. hydraulics USE hydraulic engineering
  51. hydroacoustics USE acoustic doppler current profiling
  52. hydrodynamics
  53. hydroelectric power generation water use USE power generation water use
  54. hydrogen
  55. hydrogeology
  56. hydrographic datasets
  57. hydrographic sections USE hydrogeology
  58. hydrologic cycle USE water cycle
  59. hydrologic maps USE hydrology
  60. hydrologic processes
  61. hydrology
  62. hydrophytes USE aquatic vegetation
  63. hydrosphere USE water resources
  64. hydrothermal processes
  65. hyperspectral imaging
  66. hyporheic zone processes USE ground-water and surface-water interaction
  67. hypoxia USE oxygen content (water)
  68. hysteresis USE magnetic hysteresis analysis