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#reclamation

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💧🌏 Greg Cocks

New Zealand's Major Cities Are Sinking
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forbes.com/sites/lauriewinkles <-- shared media article
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doi.org/10.1080/00288306.2025. <-- shared paper
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searise.nz/ <-- linked to NZ SeaRise project page
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searise.takiwa.co/map/6233f478 <-- NZ SeaRise web map
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#GIS #spatial #mapping #NewZealand #sealevel #sealevelrise #SLR #impacts #humanimpacts #land #subsidence #sinking #population #growth #risk #hazard #global #GMSL #coast #coastal #planning #management #mitigation #extremeweather #climatechange #cost #economics #infrastructure #spatialanalysis #spatiotemporal #model #modeling #remotesensing #earthobservation #sentinel #InSAR #urban #city #cities #reclamation #cut #fill #Holocene #engineeringgeology #kiwi #k1w1 #NZ #stormsurge

Public
💧🌏 Greg Cocks

The Great Dismal Swamp Has Released Millions Of Tons Of Carbon Since The Colonial Era, Research Finds
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whro.org/environment/2024-11-0 <-- shared article
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doi.org/10.1029/2024JG008137 <-- shared paper
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#GIS #spatial #mapping #climatechange #GreatDismalSwamp #carbon #NorthCarolina #Virginia #USA #engineering #water #hydrology #swamp #habitat #biodiversity #humanimpacts #carbondioxide #landuse #change #wetlands #peatlands #carbonsink #methane #model #spatialanalysis #spatiotemporal #research #peat #peatswamp #drainage #ditches #engineering #reclamation #peatfire #mitigation #ecosystem #carbonloss #hydrospatial

photo - A researcher moves through the Great Dismal Swamp in Virginia.
Schematic - ash mass concept. For a column of peat exposed to drainage, the surface peat is exposed to more oxidation and therefore carbon is lost but the ash content is conserved. This demonstrates how carbon loss can be calculated using the remaining ash in the peat column. The terms correspond to the terms in Equations 1-5, with r = reference layer and i = impacted layer. The dashed line in the second column indicates the loss. The loss in thickness due to shallow subsidence results from the difference in the bulk densities, whereas the secondary subsidence results from the loss in elevation due to oxidation, driven by the differences in ash mass.
Maps - coring locations, ditches by age, dominant vegetation communities. Contours correspond to estimated peat depths based on Oaks and Whitehead (1979). Coring locations are indicated by the following numbers: 1. GDS519, 2. GDS520, 3. GDSW1, 4. GDS77, 5. GDS83, 6. GDS528, 7. Interior-South, 8. Interior-North, 9. GDS96, 10. GDS-P + H, 11. GDS542, 12. GDS-04-14-2022-1A, 13. GDS-04-14-2022-1B. (a) Map of Great Dismal Swamp National Wildlife Refuge (GDS NWR) showing coring locations and binned ages of ditch, canal, and railroad installation, (b) Map of GDS NWR showing dominant vegetation communities within GDS NWR. The “early successional” (marsh) area to the southeast of Lake Drummond corresponds to the area burned in both 2008 and 2011. The area bounded by shading represents the Great Dismal Swamp NWR boundary.
charts - Carbon stocks and accumulation at GDS sites. (a) Carbon stocks for all sites, including two calculations for heavily impacted sites (GDS-W1, GDS-77, and GDS-P&H). Stars indicate calculations from ash mass from the lower depths of each of those cores, while the other (b) calculation for these sites indicates the lower ash mass calculation using the average of other less disturbed sites. Burn scar cores calculations are down to the first charcoal peak (a) and down to the second peak (b) for GDS-Interior-North and South. (b) Carbon accumulation and loss rates for cores with vegetation reconstructions. Negative values indicate carbon loss values.
Public
Victor

THE US is offering US$36m for researchers who can help recover ammonia and critical metals from wastewater as it looks to reduce its reliance on foreign supplies. The new funding program – called Recover – has a target to replace 50% of domestic ammonia supplies and 100% of critical metals by recovering them from wastewater sources. #reclamation #ammonia #metals #wastewater #sewage #research thechemicalengineer.com/news/u

www.thechemicalengineer.comUS offers US$36m for process developers to recover ammonia and metals from wastewaterTHE US is offering US$36m for researchers who can help recover ammonia and critical metals from wastewater as it looks to reduce its reliance on foreign supplies.
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Windspeaker.com

“There’s too many oil and gas companies that simply walked away from their obligations...”

First Nations chiefs in Alberta want Ottawa to let them continue cleaning up abandoned well and pipeline sites to reclaim their lands.

Unused dollars under the federal Site Rehabilitation Program total $137 million but the program has timed out.

Chiefs say there’s still much more work to be done though.

windspeaker.com/news/windspeak

Windspeaker.comChiefs, province publicly call out feds for taking back unspent oil and gas clean-up dollarsAlberta chiefs are asking the Liberal government to allow them to keep millions in unspent federal dollars and dedicate that money to oil and gas site rehabilitation on reserves. As an economic driver for the energy industry that had work shut down due to coronavirus pandemic health measures, the federal government in 2020 allotted $1.7 billion to the three prairie provinces through the Site Rehabilitation Program (SRP) to perform well, pipeline and oil and gas site closure and reclamation work.
#Indigenous#FirstNations#oilandgas
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