#swanriver — Public Fediverse posts

Advancing Detailed Flood Hazard Identification in Alberta, Canada - Insights from Two Recent Flood Studies
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https://doi.org/10.3390/w18131592 <-- shared paper
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“The increasing frequency of floods and the severity of their consequences for public safety, infrastructure, and the economy demand improved methods for flood hazard identification. Flood studies that include flood hazard mapping are critical tools for informing emergency response and flood recovery, as well as for land use and mitigation planning. The methodology for such flood studies has evolved, and access to more powerful computational resources and high-resolution base data has contributed to the increased use of two-dimensional hydraulic modelling, where one-dimensional modelling previously was the default. However, local-scale flood studies face real-world constraints, including sparse data, challenging hydrologic conditions, and budget limitations, which can hinder the application of advanced techniques. This study addresses these challenges through innovative, practice-driven solutions in two case studies in Alberta, Canada: a small, partly channelised prairie stream network (Wolf Creek, Lacombe) and a laterally dynamic river on a distributary delta (Swan River, Kinuso). Three core components of flood hazard studies are described: field survey data collection, regional hydrology assessment, and hydraulic modelling. Key findings include demonstrating that LiDAR-derived terrain models alone cannot capture channel conveyance, the importance of low-flow calibration in the absence of high-water marks, the selection of a modelling methodology based on bathymetric and topographic features within a study area, and the development of inflow hydrographs for unsteady-state simulation in flat floodplains…”
#FloodMapping #FloodRisk #Hydrology #HydraulicModeling #HECRAS #WaterResources #Alberta #Resilience #RiverSurvey #spatialanlaysis #spatiotemporal #floodhazardmapping #HECRAS #model #modeling #remotesensing #LiDAR #bathymetry #floodfrequencyanalysis #unsteadysimulation #FHIMP #FHIP #WoldCreek #Lacombe #SwanRiver #Kinuso #Alberta #Canada #localscale #provincialfloodstudy # prairie #stream #river #flood #flooding #water #hydrology #risk #hazard #watershed #publicsafety #cost #damage #economics #infrastructure #use #practicedriven #floodhazard #survey #hydraulic #terrainmodels #hydrogeomorphology #topography #elevation #floodplain
@Alberta Environment and Protected Areas | @Government of Alberta | @Barr Engineering

Advancing Detailed Flood Hazard Identification in Alberta, Canada - Insights from Two Recent Flood Studies
--
https://doi.org/10.3390/w18131592 <-- shared paper
--
“The increasing frequency of floods and the severity of their consequences for public safety, infrastructure, and the economy demand improved methods for flood hazard identification. Flood studies that include flood hazard mapping are critical tools for informing emergency response and flood recovery, as well as for land use and mitigation planning. The methodology for such flood studies has evolved, and access to more powerful computational resources and high-resolution base data has contributed to the increased use of two-dimensional hydraulic modelling, where one-dimensional modelling previously was the default. However, local-scale flood studies face real-world constraints, including sparse data, challenging hydrologic conditions, and budget limitations, which can hinder the application of advanced techniques. This study addresses these challenges through innovative, practice-driven solutions in two case studies in Alberta, Canada: a small, partly channelised prairie stream network (Wolf Creek, Lacombe) and a laterally dynamic river on a distributary delta (Swan River, Kinuso). Three core components of flood hazard studies are described: field survey data collection, regional hydrology assessment, and hydraulic modelling. Key findings include demonstrating that LiDAR-derived terrain models alone cannot capture channel conveyance, the importance of low-flow calibration in the absence of high-water marks, the selection of a modelling methodology based on bathymetric and topographic features within a study area, and the development of inflow hydrographs for unsteady-state simulation in flat floodplains…”
#FloodMapping #FloodRisk #Hydrology #HydraulicModeling #HECRAS #WaterResources #Alberta #Resilience #RiverSurvey #spatialanlaysis #spatiotemporal #floodhazardmapping #HECRAS #model #modeling #remotesensing #LiDAR #bathymetry #floodfrequencyanalysis #unsteadysimulation #FHIMP #FHIP #WoldCreek #Lacombe #SwanRiver #Kinuso #Alberta #Canada #localscale #provincialfloodstudy # prairie #stream #river #flood #flooding #water #hydrology #risk #hazard #watershed #publicsafety #cost #damage #economics #infrastructure #use #practicedriven #floodhazard #survey #hydraulic #terrainmodels #hydrogeomorphology #topography #elevation #floodplain
@Alberta Environment and Protected Areas | @Government of Alberta | @Barr Engineering

Authorities conduct water quality testing after hundreds of dead fish wash up on Perth Swan River

Authorities are investigating a suspected mass fish kill after hundreds of dead fish washed up on Perth’s lower…
#NewsBeep #News #Environment #AU #Australia #DBCA #fishdeaths #fishdie #fishkill #fishing #perthfishkill #perthnews #perthwater #Science #swanriver #WANews
https://www.newsbeep.com/au/115285/

Last night we saw a retelling of the story of #Wargal fighting the ancestral crocodile Yondock in a #drone show down at #Manjaree (#BathersBeach) in #Walyalup (#Fremantle), as a part of First Lights #Kooranup .

This story (although the show did not cover this part) explains the presence of the dingo (dwert) on the Dingo Flour Mill.

It also explains the limestone bar across the mouth of the #DerbalYerrigan (#SwanRiver). That bar was dynamited during the construction of Fremantle Harbour.

I scored some great shots with my #olympustg4 and my #samsungnx1 ! Both shots are #SooC

Last night we saw a retelling of the story of #Wargal fighting the ancestral crocodile Yondock in a #drone show down at #Manjaree (#BathersBeach) in #Walyalup (#Fremantle), as a part of First Lights #Kooranup .

This story (although the show did not cover this part) explains the presence of the dingo (dwert) on the Dingo Flour Mill.

It also explains the limestone bar across the mouth of the #DerbalYerrigan (#SwanRiver). That bar was dynamited during the construction of Fremantle Harbour.

I scored some great shots with my #olympustg4 and my #samsungnx1 ! Both shots are #SooC

Last night we saw a retelling of the story of #Wargal fighting the ancestral crocodile Yondock in a #drone show down at #Manjaree (#BathersBeach) in #Walyalup (#Fremantle), as a part of First Lights #Kooranup .

This story (although the show did not cover this part) explains the presence of the dingo (dwert) on the Dingo Flour Mill.

It also explains the limestone bar across the mouth of the #DerbalYerrigan (#SwanRiver). That bar was dynamited during the construction of Fremantle Harbour.

I scored some great shots with my #olympustg4 and my #samsungnx1 ! Both shots are #SooC

Last night we saw a retelling of the story of #Wargal fighting the ancestral crocodile Yondock in a #drone show down at #Manjaree (#BathersBeach) in #Walyalup (#Fremantle), as a part of First Lights #Kooranup .

This story (although the show did not cover this part) explains the presence of the dingo (dwert) on the Dingo Flour Mill.

It also explains the limestone bar across the mouth of the #DerbalYerrigan (#SwanRiver). That bar was dynamited during the construction of Fremantle Harbour.

I scored some great shots with my #olympustg4 and my #samsungnx1 ! Both shots are #SooC

Last night we saw a retelling of the story of #Wargal fighting the ancestral crocodile Yondock in a #drone show down at #Manjaree (#BathersBeach) in #Walyalup (#Fremantle), as a part of First Lights #Kooranup .

This story (although the show did not cover this part) explains the presence of the dingo (dwert) on the Dingo Flour Mill.

It also explains the limestone bar across the mouth of the #DerbalYerrigan (#SwanRiver). That bar was dynamited during the construction of Fremantle Harbour.

I scored some great shots with my #olympustg4 and my #samsungnx1 ! Both shots are #SooC