{"id":"https://openalex.org/W7208739870","doi":"https://doi.org/10.31223/x5wn5x","title":"A global assessment of effective fracture porosity and density in crystalline rocks","display_name":"A global assessment of effective fracture porosity and density in crystalline rocks","publication_year":2026,"publication_date":"2026-09-04","ids":{"openalex":"https://openalex.org/W7208739870","doi":"https://doi.org/10.31223/x5wn5x"},"language":"en","primary_location":{"id":"doi:10.31223/x5wn5x","doi":"https://doi.org/10.31223/x5wn5x","is_oa":true,"landing_page_url":"https://doi.org/10.31223/x5wn5x","pdf_url":"https://eartharxiv.org/repository/object/14795/download/25733/","source":null,"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"posted-content"},"volume":null,"type":"preprint","is_traditional":true,"indexed_in":["crossref"],"open_access":{"is_oa":true,"oa_status":"green","oa_url":"https://eartharxiv.org/repository/object/14795/download/25733/","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5128952224","display_name":"Josse van den Berg","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I2799966484","display_name":"Bjerknes Centre for Climate Research","ror":"https://ror.org/011n96f14","country_code":"NO","type":"facility","lineage":["https://openalex.org/I2799966484","https://openalex.org/I2802153510","https://openalex.org/I4210116418","https://openalex.org/I4210149801","https://openalex.org/I4401200256","https://openalex.org/I4432739"]},{"id":"https://openalex.org/I4432739","display_name":"University of Bergen","ror":"https://ror.org/03zga2b32","country_code":"NO","type":"education","lineage":["https://openalex.org/I4432739"]}],"countries":["NO"],"is_corresponding":false,"raw_author_name":"Josse van den Berg","raw_affiliation_strings":["Bjerknes Centre for Climate Research , Bergen , Norway","Department of Earth Science , University of Bergen , Bergen , Norway"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Bjerknes Centre for Climate Research , Bergen , Norway","institution_ids":["https://openalex.org/I2799966484"]},{"raw_affiliation_string":"Department of Earth Science , University of Bergen , Bergen , Norway","institution_ids":["https://openalex.org/I4432739"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5034810095","display_name":"Elco Luijendijk","orcid":"https://orcid.org/0000-0003-4140-2455","observed_orcids":["https://orcid.org/0000-0003-4140-2455"]},"institutions":[{"id":"https://openalex.org/I2799966484","display_name":"Bjerknes Centre for Climate Research","ror":"https://ror.org/011n96f14","country_code":"NO","type":"facility","lineage":["https://openalex.org/I2799966484","https://openalex.org/I2802153510","https://openalex.org/I4210116418","https://openalex.org/I4210149801","https://openalex.org/I4401200256","https://openalex.org/I4432739"]},{"id":"https://openalex.org/I4432739","display_name":"University of Bergen","ror":"https://ror.org/03zga2b32","country_code":"NO","type":"education","lineage":["https://openalex.org/I4432739"]}],"countries":["NO"],"is_corresponding":false,"raw_author_name":"Elco Luijendijk","raw_affiliation_strings":["Bjerknes Centre for Climate Research , Bergen , Norway","Department of Earth Science , University of Bergen , Bergen , Norway"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Bjerknes Centre for Climate Research , Bergen , Norway","institution_ids":["https://openalex.org/I2799966484"]},{"raw_affiliation_string":"Department of Earth Science , University of Bergen , Bergen , Norway","institution_ids":["https://openalex.org/I4432739"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5009717962","display_name":"Grant Ferguson","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I32625721","display_name":"University of Saskatchewan","ror":"https://ror.org/010x8gc63","country_code":"CA","type":"education","lineage":["https://openalex.org/I32625721"]}],"countries":["CA"],"is_corresponding":false,"raw_author_name":"Grant Ferguson","raw_affiliation_strings":["Department of Civil , Geological and Environmental Engineering and Bjerknes Centre for Climate Research , University of Saskatchewan , Saskatoon , Canada"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Civil , Geological and Environmental Engineering and Bjerknes Centre for Climate Research , University of Saskatchewan , Saskatoon , Canada","institution_ids":["https://openalex.org/I32625721"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5026682218","display_name":"Oliver Warr","orcid":"https://orcid.org/0000-0001-8240-7979","observed_orcids":["https://orcid.org/0000-0001-8240-7979"]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Oliver Warr","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":3,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":null,"has_fulltext":true,"cited_by_count":0,"citation_normalized_percentile":null,"cited_by_percentile_year":null,"biblio":{"volume":null,"issue":null,"first_page":null,"last_page":null},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10894","display_name":"Groundwater flow and contamination studies","score":0.6054999828338623,"subfield":{"id":"https://openalex.org/subfields/2305","display_name":"Environmental Engineering"},"field":{"id":"https://openalex.org/fields/23","display_name":"Environmental Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},"topics":[{"id":"https://openalex.org/T10894","display_name":"Groundwater flow and contamination studies","score":0.6054999828338623,"subfield":{"id":"https://openalex.org/subfields/2305","display_name":"Environmental Engineering"},"field":{"id":"https://openalex.org/fields/23","display_name":"Environmental Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T10399","display_name":"Hydrocarbon exploration and reservoir analysis","score":0.14169999957084656,"subfield":{"id":"https://openalex.org/subfields/1907","display_name":"Geology"},"field":{"id":"https://openalex.org/fields/19","display_name":"Earth and Planetary Sciences"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T11302","display_name":"CO2 Sequestration and Geologic Interactions","score":0.051100000739097595,"subfield":{"id":"https://openalex.org/subfields/2305","display_name":"Environmental Engineering"},"field":{"id":"https://openalex.org/fields/23","display_name":"Environmental Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/crystalline-rocks","display_name":"crystalline rocks","score":0.8289999961853027},{"id":"https://openalex.org/keywords/fracture-intensity","display_name":"fracture density","score":0.7950000166893005},{"id":"https://openalex.org/keywords/permeability","display_name":"permeability","score":0.7570000290870667},{"id":"https://openalex.org/keywords/deep-biosphere","display_name":"deep biosphere","score":0.9739999771118164},{"id":"https://openalex.org/keywords/geological-storage","display_name":"geological storage","score":0.6669999957084656},{"id":"https://openalex.org/keywords/subsurface-biogeochemistry","display_name":"subsurface biogeochemistry","score":0.8069999814033508},{"id":"https://openalex.org/keywords/water-resources","display_name":"water resources","score":0.6669999957084656}],"concepts":[{"id":"https://openalex.org/C6648577","wikidata":"https://www.wikidata.org/wiki/Q622669","display_name":"Porosity","level":2,"score":0.9232000112533569},{"id":"https://openalex.org/C120882062","wikidata":"https://www.wikidata.org/wiki/Q28352","display_name":"Permeability (electromagnetism)","level":3,"score":0.6258999705314636},{"id":"https://openalex.org/C43369102","wikidata":"https://www.wikidata.org/wiki/Q2307625","display_name":"Fracture (geology)","level":2,"score":0.4546999931335449},{"id":"https://openalex.org/C127313418","wikidata":"https://www.wikidata.org/wiki/Q1069","display_name":"Geology","level":0,"score":0.44690001010894775},{"id":"https://openalex.org/C546029482","wikidata":"https://www.wikidata.org/wiki/Q560","display_name":"Helium","level":2,"score":0.4357999861240387},{"id":"https://openalex.org/C66606449","wikidata":"https://www.wikidata.org/wiki/Q1295956","display_name":"Effective porosity","level":3,"score":0.4341999888420105},{"id":"https://openalex.org/C192562407","wikidata":"https://www.wikidata.org/wiki/Q228736","display_name":"Materials science","level":0,"score":0.4259999990463257},{"id":"https://openalex.org/C199289684","wikidata":"https://www.wikidata.org/wiki/Q83353","display_name":"Mineralogy","level":1,"score":0.39820000529289246},{"id":"https://openalex.org/C196715460","wikidata":"https://www.wikidata.org/wiki/Q1414356","display_name":"Compaction","level":2,"score":0.36480000615119934},{"id":"https://openalex.org/C93973069","wikidata":"https://www.wikidata.org/wiki/Q899249","display_name":"Bulk density","level":3,"score":0.30730000138282776},{"id":"https://openalex.org/C187320778","wikidata":"https://www.wikidata.org/wiki/Q1349130","display_name":"Geotechnical engineering","level":1,"score":0.2888999879360199},{"id":"https://openalex.org/C105569014","wikidata":"https://www.wikidata.org/wiki/Q3271208","display_name":"Porous medium","level":3,"score":0.2858999967575073},{"id":"https://openalex.org/C159985019","wikidata":"https://www.wikidata.org/wiki/Q181790","display_name":"Composite material","level":1,"score":0.27730000019073486}],"mesh":[],"locations_count":2,"locations":[{"id":"doi:10.31223/x5wn5x","doi":"https://doi.org/10.31223/x5wn5x","is_oa":true,"landing_page_url":"https://doi.org/10.31223/x5wn5x","pdf_url":"https://eartharxiv.org/repository/object/14795/download/25733/","source":null,"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"posted-content"},{"id":"pmh:oai:EA:id:14795","doi":null,"is_oa":true,"landing_page_url":"https://eartharxiv.org/repository/object/14795/download/25733/","pdf_url":null,"source":{"id":"https://openalex.org/S4306402614","display_name":"EarthArXiv (California Digital Library)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/I2801248553","host_organization_name":"California Digital Library","host_organization_lineage":["https://openalex.org/I2801248553"],"host_organization_lineage_names":[],"type":"repository"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"EarthArXiv","raw_type":"PREPRINTS"}],"best_oa_location":{"id":"doi:10.31223/x5wn5x","doi":"https://doi.org/10.31223/x5wn5x","is_oa":true,"landing_page_url":"https://doi.org/10.31223/x5wn5x","pdf_url":"https://eartharxiv.org/repository/object/14795/download/25733/","source":null,"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"posted-content"},"sustainable_development_goals":[],"study_designs":[],"awards":[],"funders":[{"id":"https://openalex.org/F4320309949","display_name":"Canadian Institute for Advanced Research","ror":"https://ror.org/01sdtdd95"},{"id":"https://openalex.org/F4320323078","display_name":"Universitetet i Bergen","ror":"https://ror.org/03zga2b32"},{"id":"https://openalex.org/F4320334593","display_name":"Natural Sciences and Engineering Research Council of Canada","ror":"https://ror.org/01h531d29"}],"has_content":{"pdf":true,"grobid_xml":true},"content_urls":{"pdf":"https://content.openalex.org/works/W7208739870.pdf","grobid_xml":"https://content.openalex.org/works/W7208739870.grobid-xml"},"referenced_works_count":48,"referenced_works":["https://openalex.org/W1598765984","https://openalex.org/W1792167038","https://openalex.org/W1920893544","https://openalex.org/W1965912983","https://openalex.org/W1965935874","https://openalex.org/W1978813754","https://openalex.org/W1995391341","https://openalex.org/W2020478857","https://openalex.org/W2024087677","https://openalex.org/W2024598634","https://openalex.org/W2025841258","https://openalex.org/W2029682075","https://openalex.org/W2031478813","https://openalex.org/W2033910292","https://openalex.org/W2041282815","https://openalex.org/W2048273426","https://openalex.org/W2054484361","https://openalex.org/W2058341620","https://openalex.org/W2078483536","https://openalex.org/W2091170089","https://openalex.org/W2091991433","https://openalex.org/W2102855159","https://openalex.org/W2111624843","https://openalex.org/W2129596536","https://openalex.org/W2130275650","https://openalex.org/W2156645571","https://openalex.org/W2170384715","https://openalex.org/W2170597243","https://openalex.org/W2261399118","https://openalex.org/W2373033025","https://openalex.org/W2606750437","https://openalex.org/W2765652476","https://openalex.org/W2809202679","https://openalex.org/W2919714172","https://openalex.org/W3094010664","https://openalex.org/W3156740465","https://openalex.org/W3197950963","https://openalex.org/W3201906449","https://openalex.org/W4205222474","https://openalex.org/W4283390639","https://openalex.org/W4283739544","https://openalex.org/W4289334745","https://openalex.org/W4385462893","https://openalex.org/W4386710378","https://openalex.org/W4393210087","https://openalex.org/W4410923181","https://openalex.org/W7154535102","https://openalex.org/W7169729461"],"related_works":["https://openalex.org/W7135228482","https://openalex.org/W2606750437","https://openalex.org/W7208345807","https://openalex.org/W4313139090","https://openalex.org/W3014491553","https://openalex.org/W4240044959","https://openalex.org/W4220895825","https://openalex.org/W2054458504","https://openalex.org/W7023877265","https://openalex.org/W2143809232"],"abstract_inverted_index":{"Knowledge":[0],"of":[1,99],"effective":[2,39,45,59,75,88,104],"fracture":[3,50],"porosity":[4,40,46,60,76,89,105],"in":[5,87,110],"crystalline":[6,112],"rocks":[7],"is":[8,90],"important":[9],"for":[10,52,116],"water":[11],"resources,":[12],"geological":[13],"storage":[14],"and":[15,25,35,41,47,64,73,118,121],"subsurface":[16],"biogeochemistry,":[17],"but":[18],"remains":[19],"poorly":[20],"constrained":[21],"due":[22],"to":[23,43],"limited":[24],"regionally":[26],"biased":[27],"data.":[28],"Here,":[29],"we":[30],"use":[31],"global":[32,58,101],"permeability":[33,42],"datasets":[34],"equations":[36],"that":[37],"relate":[38],"estimate":[44],"hydraulically":[48],"active":[49],"density":[51],"27,966":[53],"points":[54],"globally.":[55],"The":[56,71,84],"resulting":[57],"distributions":[61],"are":[62,78],"right-skewed":[63],"show":[65],"a":[66],"power-law":[67],"decrease":[68],"with":[69,114],"depth.":[70],"median":[72],"mean":[74],"values":[77],"much":[79,91],"lower":[80],"than":[81,93],"previously":[82],"assumed.":[83],"natural":[85],"variability":[86],"larger":[92],"parameter":[94],"uncertainty,":[95],"underscoring":[96],"the":[97,111,122],"robustness":[98],"our":[100],"trends.":[102],"Low":[103],"implies":[106],"enhanced":[107],"fluid":[108],"isolation":[109],"crust,":[113],"implications":[115],"hydrogen":[117],"helium":[119],"accumulation":[120],"deep":[123],"biosphere.":[124]},"counts_by_year":[],"updated_date":"2026-11-09T13:22:03.289127","created_date":"2026-09-05T00:00:00"}
