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Posts by Pakkasem (kai-ou)

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Reading the River: How to Measure the Frequency of Flooding Phrases such as “10-year flood” or “100-year flood” are misleading. These terms are abbreviations for probability: a 10-year flood is a volume of flow that occurs on average once every 10 years, ba…

Feed: "Literary Hub"
By: Ellen Wohl on Wednesday, August 20, 2025

8 months ago 1 1 0 0
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Rivers are messy: Beyond the water bias in research and management This article reviews current trends in interdisciplinary river research to argue that a “water bias” or tendency consider rivers as synonymous with water can hinder our understanding of rivers and con...

Exactly a year ago, Ellen Wohl, @parriblue.bsky.social and I spent two days in Providence thinking about #rivers and how we conceptualize them & live with them. Here’s the result of history and fluvial geomorphology teaming up. #envhist

doi.org/10.1371/jour...

5 months ago 63 22 5 1
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Post three of a three-part series on some unique aspects of rivers and why they’re so challenging to manage. We’re exploring how rivers function as networks, their unique rhythms, and what that means for conservation and restoration.

predirections.substack.com/p/to-heal-a-...

7 months ago 41 12 3 3
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Landscape change of Yom river and new Sukhothai city

7 months ago 0 0 0 0

Final day to submit your best ideas for naming our stormwater sampling robots! Learn more: www.sfei.org/news/help-us...

#NationalWaterQualityMonth #SanFranciscoBay

7 months ago 2 1 0 0
Graphic of Triple A bike facilities

Graphic of Triple A bike facilities

“Smart cities also know that quality of bike-lanes is just as important as quantity, especially if what’s being built (or let’s be honest–what’s being painted) isn’t really safe, or comfortable.” — @brenttoderian.bsky.social in @fastcompany.com www.fastcompany.com/90361034/if-...

7 months ago 36 11 1 1
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Cohesive Sediment Transport and Behavior, graduate course lectures by Professor Ray B. Krone, 1991 - YouTube UC Davis Professor Ray Krone was a founder of the field of cohesive sediment transport in the 1960s, related to sedimentation, erosion, and management of mud...

The cohesive sediment transport lectures of Professor Ray Krone (1991), including how SF Bay marshes work are now available on YouTube. Prepare to get deep in the mud. www.youtube.com/playlist?lis...

7 months ago 12 3 1 2
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Southern Water applies for permission to draw water from rare chalk stream Environment secretary urged to stop drought order that could damage the ecology of River Test in Hampshire

Southern Water customers pay the highest water bills in England, yet pipes are haemhorraging water + investment in infrastructure to prevent water shortage has been paltry. Now, the Test, a precious, fragile chalk stream, is paying the price:

🧵 1/12
www.theguardian.com/business/202...

8 months ago 69 49 4 3
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Why a NASA satellite that scientists and farmers rely on may be destroyed on purpose The Trump administration has asked NASA staffers to draw up plans to end at least two satellite missions that measure carbon dioxide in the atmosphere, according to current and former NASA employees.

The anti-science Trumpers may be planning to destroy two working satellites that provide vital measurements about carbon dioxide & climate (and data that forecasts crop yield, drought conditions, & more). They cost $750 million to make but only $15 million/yr to operate.
www.npr.org/2025/08/04/n...

8 months ago 335 237 18 21
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#NewReport: The Global Wetland Outlook 2025 is now live!

Dive into the latest global data on wetland extent, loss and restoration and discover the solutions we need to secure the future of these vital ecosystems.

global-wetland-outlook.ramsar.org

9 months ago 30 21 2 1
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Mapping the world's inland surface waters: an upgrade to the Global Lakes and Wetlands Database (GLWD v2) Abstract. In recognition of the importance of inland waters, numerous datasets mapping their extents, types, or changes have been created using sources ranging from historical wetland maps to real-tim...

essd.copernicus.org/articles/17/...

9 months ago 0 0 0 0
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This is the book that brings me into the world of landscape ecology.

9 months ago 0 0 0 0
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How England’s outdated water tracking system leaves regulators in the dark Experts warn accurately monitoring consumption by bulk users such as farmers, datacentres and businesses can be all but impossible

As reservoirs across the country empty out, Watershed's @rachelsalvidge.bsky.social exposes the haphazard abstraction system that rewards businesses the more water they use.

www.theguardian.com/environment/...

10 months ago 67 36 1 1
Graphic showing landscape level, nature based flood reduction approaches.

Graphic showing landscape level, nature based flood reduction approaches.

Natural Flood Management: restoring peatlands, wetlands, nature friendly farming, needs to be expanded says @floodmary.bsky.social , to reduce flood risk at a landscape level.
8/10

@thefloodhub.bsky.social

thefloodhub.co.uk/nfm/

10 months ago 24 10 1 0
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File on 4 Investigates - Hell and High Water: Are we ready for the floods? - BBC Sounds Is enough being done to protect people from flooding?

BBC File on 4 uncovered that 205,000 properties were built between 2013 - 2022 in Flood Zone 3 - the areas with the absolute highest risk of flooding. Building in these zones is dooming people to endure flooding.
4/10

www.bbc.co.uk/sounds/play/...

10 months ago 44 31 1 2
Rivers - a natural solution to climate change. An animation film by the Environment Agency.
Rivers - a natural solution to climate change. An animation film by the Environment Agency. YouTube video by Cumbria Wildlife Trust

💧River restoration brings the natural meanders back to #watercourses.
🎥 Check out this animation which shows the damaging effects on the environment when straightening river channels, and the multiple benefits created when this is reversed➡️ youtu.be/FVGNbLJkzTI

10 months ago 2 1 0 0
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💧Floodplains are great at storing water, they act like giant sponges which collect and retain the excess water when a river has overtopped its banks during high flow.

Check out this @cumbriawildlife.bsky.social video to see how valuable #floodplains are🎥 www.youtube.com/watch?v=rwWN...

10 months ago 2 1 0 0
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"Flooding only happens in winter." ❌

🌊 Flash flooding can occur at any time, regardless of the season, and the severity can be just as intense, even during the warmer months❗

Download the resource here➡️ thefloodhub.co.uk/wp-content/u...

10 months ago 6 3 0 0
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THREAD: I’m going to share this thread here to clearly state my perspective on electric vehicles, car dependency and better cities, for all those who frequently ask me about it, including media, elected leaders and many others. Here goes. Please share it frequently if you think it will help. 🧵#EVS

1 year ago 909 404 121 103

"The only plan that makes sense for...companies investing vast sums in...remaining shale acreage in America is to take...profits...left & use them for stock buybacks & dividends...they privatize profits. And then they will hand the bill to the American public for the cleanup".

10 months ago 51 28 1 0
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Groundwater is rapidly declining in the Colorado River Basin, satellite data show As the Colorado River’s reservoirs have declined, even larger amounts of groundwater have been drained from aquifers. Using satellite data, scientists have estimated the vast water losses.

New research shows the depletion of groundwater in the Colorado River Basin far exceeds losses from the river’s reservoirs. Scientists say overpumping is leading to alarmingly rapid declines at a time when climate change is putting growing strains on water supplies. www.latimes.com/environment/...

10 months ago 75 52 6 11

Trump fired over 1,000 National Park staff in February, and most still haven’t been reinstated. The $45 million he’s wasting on a military parade for his birthday could have paid their salaries for over a year.

11 months ago 2756 955 80 45
Richard Scarry illustration of a city scene with animals working various jobs. Text reads:

Some workers work indoors and some work outdoors. Some work up in the sky and some work underground.

included in the image is a fox in a hard hat working underground surrounded by cables and pipes and sewers.

Richard Scarry illustration of a city scene with animals working various jobs. Text reads: Some workers work indoors and some work outdoors. Some work up in the sky and some work underground. included in the image is a fox in a hard hat working underground surrounded by cables and pipes and sewers.

kids literally wanted to grow up and be public servants because of Richard Scarry.

11 months ago 1905 339 26 21
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Record number of river-blocking barriers removed in Europe, report says Hundreds of dams, weirs, culverts and sluices dismantled in 2024 to help waterways resume natural course

Report: record number of river-blocking barriers removed in Europe 🙌
The gathering momentum to rewild and rewind Europe's rivers has a host of benefits:

www.theguardian.com/environment/...

11 months ago 8 7 1 0

🆕 Learn about #SustainableCities and hear from the top experts and organizations working to build cities that are good for people, nature and the climate in our new starter pack! 🌆 🌎

Follow and share! ➡️ go.bsky.app/DipgnB5

11 months ago 27 13 1 4
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Hells Librarians🔥 #LibrarySky #ReadToLive

11 months ago 30107 4567 329 277
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On a Dammed River, Amazon Villagers Fight to Restore the Flow Indigenous communities that rely on the natural flow of the Xingu River have long fought the Belo Monte dam in Brazil. With the dam now up for relicensing, they are urging the government to allow more...

On a Dammed River, Amazon Villagers Fight to Restore the Flow
e360.yale.edu/features/bel...

11 months ago 2 1 0 0
Ellen Wohl discussing her new book, Landscapes on Fire: Impacts on Uplands, Rivers, and Communities

Ellen Wohl discussing her new book, Landscapes on Fire: Impacts on Uplands, Rivers, and Communities

On World Book Day, #AGUPubs recognizes our dedicated authors and editors.✨

Watch the latest video interviews to learn more about their research and new books.📚🎥

🔗 buff.ly/p10OjS7

#WorldBookDay #WorldBookandCopyrightDay #Publishing #STEM

11 months ago 10 2 0 0
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National assessment of flood and coastal erosion risk in England 2024

www.gov.uk/government/p...

1 year ago 10 7 0 0
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On a Dammed River, Amazon Villagers Fight to Restore the Flow Indigenous communities that rely on the natural flow of the Xingu River have long fought the Belo Monte dam in Brazil. With the dam now up for relicensing, they are urging the government to allow more...

On a Dammed River, Amazon Villagers Fight to Restore the Flow...

e360.yale.edu/features/bel...

1 year ago 5 2 0 0