{"configuration":{"schema_version":"1.0","model_version":"0.5-draft","title":"Floridan aquifer system subsurface elevation retrieval","vertical_datum":"NAVD88","vertical_unit":"U.S. survey foot","source_url":"https://pubs.usgs.gov/pp/1807/","palette_note":"Colors approximate PP1807 Figure 6; review against the published cartography before release.","batch":{"max_points":250},"selection":{"overlap_policy":"unresolved","overrides":[],"candidates":[{"id":"bucatunna","label":"Bucatunna Clay","top":"08_Bucatunna_top","bottom":"08_Bucatunna_base","color":"#c8b8aa"},{"id":"lisapcu","label":"Lisbon–Avon Park composite unit","classification":"08_LISAPCU_areas","top":"08_LISAPCU_top","bottom":"09_LFA_below_LISAPCU","color":"#d6c9ba"},{"id":"mapcu","label":"Middle Avon Park composite unit","classification":"08_MAPCU_areas","top":"08_MAPCU_top","bottom":"09_LFA_top","color":"#e0b4a5"}],"fallback":{"id":"regional","label":"Regional middle confining or composite unit","top":"08_Regional_MCU_top","bottom":"09_LFA_top","color":"#c8b8aa"},"prefer_regional_surface":true},"computed_contacts":{"UCU_top":{"add":[{"source":"04_FAS_top"},{"source":"02_UCU_effective"}]},"SURF_top":{"add":[{"source":"04_FAS_top"},{"source":"02_UCU_effective"},{"source":"01_Surficial_effective"}]},"RES_top":{"add":[{"source":"04_FAS_top"},{"source":"03_Residuum_effective"}]}},"major_units":[{"id":"SURF","label":"Surficial aquifer system","top":{"computed":"SURF_top"},"bottom":{"computed":"UCU_top"},"color":"#fff58a","description":"Shallow aquifer materials; governed zero thickness indicates modeled absence, not missing coverage.","extent":"Surficial_extent"},{"id":"UCU","label":"Upper confining unit","top":{"computed":"UCU_top"},"bottom":{"source":"04_FAS_top"},"color":"#c7b8a8","description":"Cover above the Floridan aquifer system; confinement varies regionally.","extent":"UCU_extent"},{"id":"RES","label":"Residuum","top":{"computed":"RES_top"},"bottom":{"source":"04_FAS_top"},"color":"#d6b695","description":"Residual cover above the Floridan aquifer system; shown where the residuum branch applies.","optional":true,"extent":"Residuum_extent"},{"id":"UFA","label":"Upper Floridan aquifer","top":{"source":"04_FAS_top"},"bottom":{"selected":"mcu_top"},"color":"#c4e8f4","description":"Upper carbonate aquifer; includes regionally defined permeable and lower-permeability zones."},{"id":"MCU","label":"Middle confining or composite unit","top":{"selected":"mcu_top"},"bottom":{"selected":"mcu_bottom"},"color":"#c8b8aa","description":"Regional separator may be Bucatunna, LISAPCU, or MAPCU. 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Its lower boundary is not mapped by this service.","open_bottom":true}],"detailed_units":[{"id":"SURF","label":"Surficial aquifer system","top":{"computed":"SURF_top"},"bottom":{"computed":"UCU_top"},"color":"#fff58a","description":"Shallow aquifer materials; governed zero thickness indicates modeled absence, not missing coverage.","extent":"Surficial_extent"},{"id":"UCU","label":"Upper confining unit","top":{"computed":"UCU_top"},"bottom":{"source":"04_FAS_top"},"color":"#c7b8a8","description":"Cover above the Floridan aquifer system; confinement varies regionally.","extent":"UCU_extent"},{"id":"RES","label":"Residuum","top":{"computed":"RES_top"},"bottom":{"source":"04_FAS_top"},"color":"#d6b695","description":"Residual cover above the Floridan aquifer system; shown where the residuum branch applies.","optional":true,"extent":"Residuum_extent"},{"id":"UFA","label":"Upper Floridan aquifer","top":{"source":"04_FAS_top"},"bottom":{"selected":"mcu_top"},"color":"#c4e8f4","description":"Upper carbonate aquifer; includes regionally defined permeable and lower-permeability zones.","parent":true},{"id":"UPZ","label":"Uppermost permeable zone","top":{"source":"04_FAS_top"},"bottom":{"first_available":[{"source":"05_OCAPLPZ_top"},{"selected":"mcu_top"}]},"color":"#c4e8f4","description":"Uppermost part of the Upper Floridan aquifer. Configured lower contact is OCAPLPZ where mapped, otherwise the selected MCU top."},{"id":"OCAPLPZ","label":"Ocala–Avon Park lower-permeability zone","top":{"source":"05_OCAPLPZ_top"},"bottom":{"source":"05_OCAPLPZ_base_est"},"color":"#d9d7cb","description":"Lower-permeability carbonate interval within the Upper Floridan aquifer.","estimated_bottom":true,"extent":"OCAPLPZ_extent"},{"id":"UDOLO","label":"Upper dolostone unit","top":{"source":"06_Dolostone_top"},"bottom":{"source":"06_Dolostone_base"},"color":"#c2d4b4","description":"Independent interpretation that may coincide or overlap with APPZ; not an extra additive interval.","lane":1},{"id":"APPZ","label":"Avon Park permeable zone","top":{"source":"07_APPZ_top"},"bottom":{"source":"07_APPZ_base_est"},"color":"#c4e8f4","description":"Aggregated mapped APPZ interval within the Upper Floridan aquifer.","estimated_bottom":true,"extent":"APPZ_extent"},{"id":"MCU","label":"Middle confining or composite unit","top":{"selected":"mcu_top"},"bottom":{"selected":"mcu_bottom"},"color":"#c8b8aa","description":"Regional separator may be Bucatunna, LISAPCU, or MAPCU. Composite units can be leaky, semiconfining, or confining.","parent":true},{"id":"BUCAT","label":"Bucatunna Clay","top":{"source":"08_Bucatunna_top"},"bottom":{"source":"08_Bucatunna_base"},"color":"#c8b8aa","description":"Clastic middle confining unit of the Florida Panhandle.","optional":true,"extent":"BUCAT_extent"},{"id":"LISAPCU","label":"Lisbon–Avon Park composite unit","top":{"source":"08_LISAPCU_top"},"bottom":{"source":"09_LFA_below_LISAPCU"},"color":"#d6c9ba","description":"Composite unit; hydraulic properties depend on the classified regional component.","optional":true,"extent":"LISAPCU_extent"},{"id":"MAPCU","label":"Middle Avon Park composite unit","top":{"source":"08_MAPCU_top"},"bottom":{"source":"09_LFA_top"},"color":"#e0b4a5","description":"Composite unit; may include carbonate, leaky, or evaporite-bearing regions.","lane":1,"optional":true,"extent":"MAPCU_extent"},{"id":"LFA","label":"Lower Floridan aquifer","top":{"selected":"mcu_bottom"},"bottom":{"source":"13_FAS_base"},"color":"#75c9ea","description":"Lower carbonate aquifer; includes regional permeable zones and lower-permeability intervals.","parent":true},{"id":"LAPPZ","label":"Lower Avon Park permeable zone / upper LFA interval","top":{"first_available":[{"source":"09_LAPPZ_top"},{"selected":"mcu_bottom"}]},"bottom":{"source":"09_LAPPZ_base_est"},"color":"#75c9ea","description":"Mapped lower permeable-zone interpretation. Where its top is unavailable, the configured selected LFA top is retained for review.","estimated_bottom":true,"extent":"LAPPZ_extent"},{"id":"GLAUCU","label":"Glauconite marker unit","top":{"source":"10_Glauconite_unit_top"},"bottom":{"source":"11_OLDSPZ_top"},"color":"#bcd3af","description":"Unit interval distinguished from the separate glauconite marker horizon.","extent":"GLAUCU_extent"},{"id":"OLDSPZ","label":"Oldsmar permeable zone","top":{"source":"11_OLDSPZ_top"},"bottom":{"source":"12_Low_resistivity_top"},"color":"#75c9ea","description":"Includes mapped Boulder and Fernandina designations where the regional classification applies.","extent":"OLDSPZ_extent"},{"id":"LOWRES","label":"Low-resistivity zone below OLDSPZ","top":{"source":"12_Low_resistivity_top"},"bottom":{"source":"13_FAS_base"},"color":"#c8c1c9","description":"Basal low-resistivity interval; interpretation is regional."},{"id":"LCU","label":"Lower confining unit","top":{"source":"13_FAS_base"},"bottom":null,"color":"#c79399","description":"Begins at the base of the Floridan aquifer system. Its lower boundary is not mapped by this service.","open_bottom":true}],"markers":[{"id":"GLAUC_marker","label":"Glauconite marker horizon","source":"10_Glauconite_marker","color":"#52794a","views":["detailed"],"description":"Marker horizon; not automatically a unit boundary."},{"id":"TDS_interface","label":"Estimated 10,000-mg/L TDS interface","source":"14_TDS_interface","color":"#7a3d99","views":["major","detailed"],"description":"Mapped salinity interface; interpretation and selected reference must be read together."}],"salinity":{"response_class":"TDS_response","reference":"14_TDS_selected_ref","interface":"14_TDS_interface","fas_base":"13_FAS_base","classes":{"1":{"code":"saline","label":"Estimated 10,000-mg/L interface","numeric":true,"kind":"interface"},"2":{"code":"fresh_to_base","label":"Fresh to base of the Floridan aquifer system","numeric":true,"kind":"fas_base"},"3":{"code":"saline","label":"Salinity interface interpreted; numeric interface unavailable","numeric":false,"kind":"interface"},"4":{"code":"fresh_to_base","label":"Fresh to base interpreted; numeric base unavailable","numeric":false,"kind":"fas_base"}}},"known_sources":["land_surface","02_UCU_top","04_FAS_top","05_OCAPLPZ_base_est","06_Dolostone_base","07_APPZ_base_est","09_LAPPZ_base_est","11_OLDSPZ_base_est","14_TDS_selected_ref","05_OCAPLPZ_top","06_Dolostone_top","07_APPZ_top","08_Bucatunna_base","08_Bucatunna_top","08_LISAPCU_top","08_MAPCU_top","08_Regional_MCU_top","09_LAPPZ_top","09_LFA_below_LISAPCU","09_LFA_top","10_Glauconite_marker","10_Glauconite_unit_top","11_OLDSPZ_top","12_Low_resistivity_top","13_FAS_base","14_TDS_interface","Active_domain","Apalachicola","Dolostone_inversion","Erosion_class","Exclusion_bits","Framework_branch","TDS_response","Zero_substitution","01_Surficial_effective","02_UCU_effective","03_Residuum_effective","Underfill_gap","08_LISAPCU_areas","08_MAPCU_areas","13_BaseFAS_geology","04_TopFAS_geology","Gulf_Trough","Apalachicola_salinity","02_UCU_confinement","02_IAS_Brunswick_areas","11_OLDSPZ_areas","11_OLDSPZ_saline_areas","FAS_top_published_full","Surficial_source_thickness","UCU_source_thickness","Residuum_source_thickness","FAS_mapping_extent","Surficial_extent","UCU_extent","Residuum_extent","OCAPLPZ_extent","APPZ_extent","BUCAT_extent","LISAPCU_extent","MAPCU_extent","LAPPZ_extent","GLAUCU_extent","OLDSPZ_extent"],"near_surface_gap":{"id":"GAP","label":"Unresolved near-surface gap","color":"#eeeeee","land":"land_surface","top_candidates":[{"computed":"SURF_top"},{"computed":"UCU_top"},{"computed":"RES_top"}],"tolerance_ft":0.01},"coverage":{"source":"FAS_mapping_extent","inside_code":1,"outside_code":0,"positive_evidence":["FAS_top_published_full","04_FAS_top","13_FAS_base"]},"shallow_completion":{"land":"land_surface","fas":"04_FAS_top","published_fas":"FAS_top_published_full","cover":[{"id":"SURF","effective":"01_Surficial_effective","source":"Surficial_source_thickness","extent":"Surficial_extent"},{"id":"UCU","effective":"02_UCU_effective","source":"UCU_source_thickness","extent":"UCU_extent"},{"id":"RES","effective":"03_Residuum_effective","source":"Residuum_source_thickness","extent":"Residuum_extent"}],"exposure_classification":"02_UCU_confinement","exposure_codes":[3],"exposure_note":"Mapped unconfined class: cover absent or very thin; exposed FAS top approximated by local land surface. This is an explicit regional interpretation.","extent_exposure_note":"Mapped cover extents indicate no surficial, UCU, or residuum cover here; exposed FAS top is set to local land surface."},"source_extents":{"05_OCAPLPZ_top":"OCAPLPZ_extent","07_APPZ_top":"APPZ_extent","08_Bucatunna_top":"BUCAT_extent","08_LISAPCU_top":"LISAPCU_extent","08_MAPCU_top":"MAPCU_extent","09_LAPPZ_top":"LAPPZ_extent","10_Glauconite_unit_top":"GLAUCU_extent","11_OLDSPZ_top":"OLDSPZ_extent"}},"sha256":"6f73b9cb6356ee5ff9f70b1103b4c7b7270fa770b92de755ff45a3371f1b1786"}