{"id":"https://openalex.org/W284075422","doi":"https://doi.org/10.25903/fj92-yy63","title":"The use of Envisat ASAR Global Monitoring Mode data to map rapid broad-scale flood events","display_name":"The use of Envisat ASAR Global Monitoring Mode data to map rapid broad-scale flood events","publication_year":2012,"publication_date":"2012-01-01","ids":{"openalex":"https://openalex.org/W284075422","doi":"https://doi.org/10.25903/fj92-yy63","mag":"284075422"},"language":"en","primary_location":{"id":"pmh:oai:researchonline.jcu.edu.au:28985","doi":null,"is_oa":false,"landing_page_url":"https://researchonline.jcu.edu.au/28985/1/JCU_28985_OGrady_2012_thesis_final.pdf","pdf_url":"https://researchonline.jcu.edu.au/28985/1/JCU_28985_OGrady_2012_thesis_final.pdf","source":{"id":"https://openalex.org/S4306400519","display_name":"ResearchOnline at James Cook University (James Cook University)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/I86467917","host_organization_name":"James Cook University","host_organization_lineage":["https://openalex.org/I86467917"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"Thesis"},"volume":null,"type":"dissertation","is_traditional":true,"indexed_in":["datacite"],"open_access":{"is_oa":true,"oa_status":"green","oa_url":"https://doi.org/10.25903/fj92-yy63","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5017928443","display_name":"Damien O\u2019Grady","orcid":"https://orcid.org/0000-0002-2355-2305","observed_orcids":["https://orcid.org/0000-0002-2355-2305"]},"institutions":[{"id":"https://openalex.org/I86467917","display_name":"James Cook University","ror":"https://ror.org/04gsp2c11","country_code":"AU","type":"education","lineage":["https://openalex.org/I86467917"]}],"countries":["AU"],"is_corresponding":true,"raw_author_name":"O'Grady, Damien","raw_affiliation_strings":["James Cook University"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"James Cook University","institution_ids":["https://openalex.org/I86467917"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":["https://openalex.org/A5017928443"],"corresponding_institution_ids":["https://openalex.org/I86467917"],"apc_list":null,"apc_paid":null,"fwci":null,"has_fulltext":false,"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/T10930","display_name":"Flood Risk Assessment and Management","score":0.9726999998092651,"subfield":{"id":"https://openalex.org/subfields/2306","display_name":"Global and Planetary Change"},"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/T10930","display_name":"Flood Risk Assessment and Management","score":0.9726999998092651,"subfield":{"id":"https://openalex.org/subfields/2306","display_name":"Global and Planetary Change"},"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/T10801","display_name":"Synthetic Aperture Radar (SAR) Applications and Techniques","score":0.019099999219179153,"subfield":{"id":"https://openalex.org/subfields/1908","display_name":"Geophysics"},"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/T11312","display_name":"Soil Moisture and Remote Sensing","score":0.005499999970197678,"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/flood-mapping","display_name":"flood mapping","score":0.7950000166893005},{"id":"https://openalex.org/keywords/envisat-asar","display_name":"ENVISAT ASAR","score":0.9290000200271606},{"id":"https://openalex.org/keywords/c-band-sar","display_name":"C-band SAR","score":0.7519999742507935},{"id":"https://openalex.org/keywords/near-real-time-flood-monitoring","display_name":"near real-time flood monitoring","score":0.6589999794960022},{"id":"https://openalex.org/keywords/water-detection","display_name":"water detection","score":0.46799999475479126},{"id":"https://openalex.org/keywords/specular-reflection","display_name":"specular reflection","score":0.5910000205039978},{"id":"https://openalex.org/keywords/mixed-pixels","display_name":"mixed pixels","score":0.6740000247955322},{"id":"https://openalex.org/keywords/incidence-angle","display_name":"angle of incidence","score":0.7020000219345093},{"id":"https://openalex.org/keywords/radar-backscatter","display_name":"radar backscatter","score":0.5649999976158142},{"id":"https://openalex.org/keywords/tropical-savanna","display_name":"tropical savanna","score":0.6859999895095825},{"id":"https://openalex.org/keywords/flood-inundation","display_name":"flood inundation","score":0.42800000309944153},{"id":"https://openalex.org/keywords/sar-data-processing","display_name":"SAR data processing","score":0.34599998593330383},{"id":"https://openalex.org/keywords/parallel-computing","display_name":"parallel computing","score":0.6150000095367432}],"concepts":[{"id":"https://openalex.org/C62649853","wikidata":"https://www.wikidata.org/wiki/Q199687","display_name":"Remote sensing","level":1,"score":0.7844506502151489},{"id":"https://openalex.org/C554190296","wikidata":"https://www.wikidata.org/wiki/Q47528","display_name":"Radar","level":2,"score":0.5267590880393982},{"id":"https://openalex.org/C87360688","wikidata":"https://www.wikidata.org/wiki/Q740686","display_name":"Synthetic aperture radar","level":2,"score":0.5122169852256775},{"id":"https://openalex.org/C160633673","wikidata":"https://www.wikidata.org/wiki/Q355198","display_name":"Pixel","level":2,"score":0.5015921592712402},{"id":"https://openalex.org/C191178318","wikidata":"https://www.wikidata.org/wiki/Q2256906","display_name":"Thresholding","level":3,"score":0.49603471159935},{"id":"https://openalex.org/C39432304","wikidata":"https://www.wikidata.org/wiki/Q188847","display_name":"Environmental science","level":0,"score":0.4199882745742798},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.39310014247894287},{"id":"https://openalex.org/C205649164","wikidata":"https://www.wikidata.org/wiki/Q1071","display_name":"Geography","level":0,"score":0.390191912651062},{"id":"https://openalex.org/C153294291","wikidata":"https://www.wikidata.org/wiki/Q25261","display_name":"Meteorology","level":1,"score":0.3200085163116455},{"id":"https://openalex.org/C31972630","wikidata":"https://www.wikidata.org/wiki/Q844240","display_name":"Computer vision","level":1,"score":0.16524958610534668},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.15186753869056702},{"id":"https://openalex.org/C115961682","wikidata":"https://www.wikidata.org/wiki/Q860623","display_name":"Image (mathematics)","level":2,"score":0.0}],"mesh":[],"locations_count":3,"locations":[{"id":"pmh:oai:researchonline.jcu.edu.au:28985","doi":null,"is_oa":false,"landing_page_url":"https://researchonline.jcu.edu.au/28985/1/JCU_28985_OGrady_2012_thesis_final.pdf","pdf_url":"https://researchonline.jcu.edu.au/28985/1/JCU_28985_OGrady_2012_thesis_final.pdf","source":{"id":"https://openalex.org/S4306400519","display_name":"ResearchOnline at James Cook University (James Cook University)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/I86467917","host_organization_name":"James Cook University","host_organization_lineage":["https://openalex.org/I86467917"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"Thesis"},{"id":"mag:284075422","doi":null,"is_oa":false,"landing_page_url":"https://researchonline.jcu.edu.au/28985/","pdf_url":null,"source":null,"license":null,"license_id":null,"version":null,"is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":null},{"id":"doi:10.25903/fj92-yy63","doi":"https://doi.org/10.25903/fj92-yy63","is_oa":true,"landing_page_url":"https://doi.org/10.25903/fj92-yy63","pdf_url":null,"source":{"id":"https://openalex.org/S7407051918","display_name":"James Cook University","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":null,"is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"Dissertation"}],"best_oa_location":{"id":"doi:10.25903/fj92-yy63","doi":"https://doi.org/10.25903/fj92-yy63","is_oa":true,"landing_page_url":"https://doi.org/10.25903/fj92-yy63","pdf_url":null,"source":{"id":"https://openalex.org/S7407051918","display_name":"James Cook University","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":null,"is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"Dissertation"},"sustainable_development_goals":[{"display_name":"Clean water and sanitation","id":"https://metadata.un.org/sdg/6","score":0.6618000268936157},{"display_name":"Climate action","id":"https://metadata.un.org/sdg/13","score":0.4399999976158142}],"study_designs":[],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":0,"referenced_works":[],"related_works":["https://openalex.org/W2146247239","https://openalex.org/W2381409484","https://openalex.org/W2999696152","https://openalex.org/W2369676740","https://openalex.org/W2379562318","https://openalex.org/W2042070666","https://openalex.org/W2026400390","https://openalex.org/W1996567053","https://openalex.org/W2381316291","https://openalex.org/W2370897439"],"abstract_inverted_index":{"This":[0,456],"thesis":[1],"seeks":[2],"to":[3,7,44,90,107,117,130,140,250,295,316,330,355,434,460,482,488,614,626,700,924,948],"enhance":[4],"our":[5,936],"ability":[6,43],"map":[8],"the":[9,29,75,108,121,131,141,160,173,185,188,203,233,244,247,251,276,296,308,323,356,366,373,399,419,442,446,452,493,529,544,557,584,593,606,619,622,632,637,641,644,658,680,683,687,690,706,721,754,758,766,770,780,794,805,818,830,871,894,907,911,918,933,939],"extent":[10],"of":[11,28,99,110,123,134,197,235,246,269,278,344,372,387,405,418,423,472,492,531,533,543,546,556,596,636,640,643,682,689,709,723,730,736,820,832,841,856,873,885,896,921,935,945],"large":[12,453,702],"floods":[13],"in":[14,41,79,115,120,202,226,338,347,361,380,480,513,572,580,618,705,720,779,783,804,870,893,906,910,932,938],"near":[15],"real":[16],"time":[17,582,966],"using":[18,408,652,664,742],"coarse":[19,208],"resolution":[20],"C-band":[21,878,886,922],"radar":[22,50,111,345,684,767,923],"remote":[23],"sensing.":[24],"The":[25,66,237,392,508,697,859,882,942],"microwave":[26],"part":[27],"electromagnetic":[30],"spectrum":[31],"has":[32],"a":[33,151,165,227,270,285,292,369,465,469,616,649,653,810,838],"great":[34],"advantage":[35,415],"over":[36,733,809,965],"visible":[37,627],"and":[38,48,97,113,125,176,191,217,273,332,349,403,410,438,503,517,577,628,657,686,757,769,852,875,898,929,954,959,962],"infrared":[39,629],"light":[40,934],"its":[42,91,388],"penetrate":[45],"cloud":[46],"cover,":[47],"as":[49,127,129,180,192,210,500,753],"is":[51,84,145,200,240,390,837,864,914,967],"an":[52,665,734,815],"active":[53],"system,":[54],"it":[55],"does":[56],"not":[57],"rely":[58],"on":[59,275,464,520,538,560,844],"daylight":[60],"hours":[61],"for":[62,86,358,368,398,445,583,861],"reflected":[63],"solar":[64],"radiation.":[65],"European":[67],"Space":[68],"Agency's":[69],"Advanced":[70],"Synthetic":[71],"Aperture":[72],"Radar":[73],"aboard":[74],"Envisat":[76],"satellite,":[77],"operating":[78],"Global":[80],"Monitoring":[81],"Mode":[82],"(GM),":[83],"targeted":[85],"particular":[87,116,271,299,822],"consideration":[88],"due":[89,315,329],"high":[92,166,216,287,447],"temporal":[93],"frequency,":[94],"comprehensive":[95],"coverage":[96],"ease":[98],"acquisition.":[100],"Challenges":[101],"are":[102,221,352],"identified":[103],"which":[104,147,224,256,383],"relate":[105,139],"both":[106,215],"use":[109,920,944],"generally,":[112],"also":[114],"GM":[118,262,406,435,454,473,610,743,946],"data,":[119,474,887],"demarcation":[122],"water":[124,144,174,219,280,314,522,540,602,800,846,961],"land,":[126,307],"well":[128],"practical":[132],"business":[133],"data":[135,209,407,611,744,880,947,958],"processing.":[136],"These":[137],"challenges":[138],"way":[142],"that":[143,231,528,604,834],"identified,":[146],"can":[148],"be":[149,320],"by":[150,164,243,451,476,776],"low":[152,218,309,324,597],"signal":[153,167,248,288,310,325,768],"where":[154,168,301,621],"specular":[155,317,518],"surface":[156,175,277,497,521,771,960],"reflection":[157,318,519],"away":[158],"from":[159,312,322,327,342,377,600,605,793,799],"sensor":[161,252],"occurs,":[162],"or":[163,564,854],"multiple":[169,670,763],"interactions":[170,764],"occur":[171],"between":[172,187,258,511,765,951],"emergent":[177,759,777],"structures":[178],"such":[179,207,499],"vegetation.":[181,797],"Thresholds":[182],"must":[183],"make":[184],"distinction":[186],"two":[189,701],"cases,":[190],"such,":[193],"some":[194,265],"prior":[195],"knowledge":[196],"land":[198],"cover":[199],"needed":[201],"segmentation":[204],"process.":[205],"With":[206],"GM,":[211],"mixed":[212],"pixels":[213],"comprising":[214],"signals":[220],"often":[222],"encountered,":[223],"result":[225],"mid-range":[228],"pixel":[229],"value":[230],"masks":[232],"presence":[234,545],"water.":[236,772],"thresholding":[238],"process":[239],"further":[241,359,862],"complicated":[242],"relationship":[245],"returned":[249,311,326],"with":[253,261,486,496,535,603,648,674,748,829,867,889,917],"incidence":[254,489,536],"angle,":[255],"varies":[257],"about":[259],"14-44\u00b0":[260],"data.":[263,678],"Under":[264],"wind":[266],"conditions,":[267],"waves":[268],"pitch":[272],"orientation":[274],"open":[279,313,411,539,601],"cause":[281],"resonance":[282,562],"effects,":[283],"returning":[284],"very":[286],"-":[289,294],"sometimes":[290],"even":[291],"gain":[293],"sensor.":[297],"In":[298,334,364],"circumstances,":[300],"Flood":[302],"waters":[303],"flow":[304],"through":[305],"arid":[306],"cannot":[319],"distinguished":[321],"desert":[328],"attenuation":[331],"absorption.":[333],"literature":[335],"surrounding":[336,608,795],"research":[337,901],"this":[339,362],"field,":[340],"results":[341,440],"observations":[343],"response":[346,376,599,836],"wetlands":[348],"flooded":[350],"grasslands":[351,732],"mixed,":[353],"pointing":[354],"importance":[357],"work":[360,831,863],"area.":[363],"Australia,":[365],"need":[367,860],"better":[370],"understanding":[371],"expected":[374],"backscatter":[375,484,534,598,660,698,835],"inundated":[378],"areas":[379,774],"tropical":[381,707,940],"savanna,":[382],"covers":[384],"one":[385],"third":[386],"landmass,":[389],"clear.":[391],"computational":[393],"framework":[394],"was":[395,416,458,523,526,574,624,662],"set":[396],"up":[397],"efficient":[400],"download,":[401],"registration":[402],"orthorectification":[404],"scripting":[409],"source":[412],"software.":[413],"Full":[414],"made":[417,578],"parallel":[420],"processing":[421,449],"capabilities":[422],"James":[424],"Cook":[425],"University's":[426],"High":[427],"Performance":[428],"Computing":[429],"network,":[430],"scripts":[431],"were":[432,506,612,646,695,712,789],"tailored":[433],"data's":[436],"characteristics":[437,495],"test":[439],"proved":[441],"method":[443],"appropriate":[444],"volume":[448],"required":[450],"dataset.":[455],"capability":[457],"used":[459],"carry":[461],"out":[462],"regression":[463],"pixel-wise":[466],"basis":[467],"across":[468],"year's":[470],"worth":[471],"categorised":[475],"seasonal":[477],"rainfall":[478],"periods,":[479],"order":[481],"normalise":[483],"values":[485,551],"respect":[487],"angle.":[490],"Correlation":[491],"resulting":[494],"parameters,":[498],"regolith,":[501],"vegetation":[502,778,823,848],"soil":[504,963],"type":[505],"observed.":[507],"potential":[509,943],"confusion":[510],"absorption":[512],"dry,":[514],"homogeneous":[515],"soils,":[516],"predicted.":[524],"It":[525],"observed":[527],"degree":[530],"change":[532],"angle":[537],"appeared":[541],"independent":[542],"Bragg":[547],"Resonance,":[548],"despite":[549],"absolute":[550],"being":[552],"at":[553],"opposite":[554],"ends":[555],"scale,":[558],"depending":[559,843],"whether":[561],"did,":[563],"did":[565],"not,":[566],"occur.":[567],"A":[568],"major":[569],"flood":[570,623,645,703,755],"event":[571],"Pakistan":[573],"successfully":[575],"mapped":[576],"available":[579],"near-real":[581],"disaster":[585],"relief":[586],"effort.":[587],"An":[588],"image":[589],"differencing":[590],"technique":[591],"allowed":[592],"successful":[594],"separation":[595],"immediately":[607],"desert.":[609],"found":[613],"fill":[615],"gap":[617],"period":[620,813],"obscured":[625],"sensors,":[630],"during":[631],"crucial":[633],"first":[634],"week":[635],"event.":[638],"Definition":[639],"extremities":[642],"tackled":[647],"spatial":[650],"threshold":[651,661],"region":[654],"growing":[655],"algorithm,":[656],"radiometric":[659],"established":[663,803],"incremental":[666],"convergence":[667],"technique,":[668],"employing":[669],"\u03ba":[671],"-statistic":[672],"calculations":[673],"contemporaneous":[675],"MODIS":[676,691],"SWIR":[677,692],"Both":[679],"stability":[681],"threshold,":[685,694],"instability":[688],"reflectance":[693],"highlighted.":[696],"responses":[699],"events":[704],"savanna":[708],"northern":[710],"Australia":[711],"investigated,":[713],"showing":[714],"markedly":[715],"different":[716],"results.":[717],"One":[718],"flood,":[719,782],"floodplain":[722,808],"Queensland's":[724],"Flinders":[725],"River,":[726],"involved":[727],"total":[728],"inundation":[729],"tussock":[731,760],"area":[735],"9000":[737],"km\u00b2,":[738],"allowing":[739],"accurate":[740],"classification":[741],"(\u03ba":[745],"=":[746],"0.7),":[747],"predictable":[749],"dihedral":[750],"scattering":[751],"returns":[752],"receded":[756],"grasses":[761],"caused":[762],"Inundated":[773],"covered":[775],"other":[781],"Cape":[784],"York's":[785],"Staaten":[786],"River":[787,909],"floodplain,":[788],"almost":[790],"completely":[791],"indistinguishable":[792],"wet":[796],"Data":[798],"height":[801],"loggers":[802],"neighbouring":[806],"Mitchell":[807],"dry/wet":[811],"season":[812],"provided":[814],"insight":[816],"into":[817,902],"interaction":[819],"these":[821],"conditions":[824],"under":[825],"flood.":[826],"Results":[827],"concurred":[828],"others,":[833],"complex":[839],"combination":[840],"effects":[842],"relative":[845],"height,":[847],"spacial":[849],"density,":[850],"biomass,":[851],"verticality,":[853],"enmeshment,":[855],"super-surface":[857],"grasses.":[858],"discussed,":[865],"together":[866,916],"spin-off":[868],"opportunities,":[869],"context":[872],"current":[874,897],"planned":[876,883],"alternative":[877],"satellite":[879],"sources.":[881],"contribution":[884],"along":[888],"contemporary":[890],"visible/infrared":[891],"products":[892],"upscaling":[895],"ongoing":[899],"JCU":[900],"greenhouse":[903],"gas":[904],"emissions":[905],"Mary":[908],"Northern":[912],"Territory":[913],"outlined,":[915],"possible":[919],"gauge":[925],"fuel":[926],"moisture":[927,964],"content":[928],"fire":[930],"potential,":[931],"findings":[937],"savanna.":[941],"explore":[949],"correlation":[950],"Gravity":[952],"Recovery":[953],"Climate":[955],"Experminent":[956],"(GRACE)":[957],"discussed.":[968]},"counts_by_year":[],"updated_date":"2026-11-10T11:39:43.021295","created_date":"2016-06-24T00:00:00"}