Waiting For Rain

New fun project! I enhanced a cheap thriftstore sculpture :3

You will patch up all the holes in 2025.

As relentless rains pounded LA, the city’s “sponge” infrastructure helped gather 8.6 billion gallons of water—enough to sustain over 100,000 households for a year.

Earlier this month, the future fell on Los Angeles. A long band of moisture in the sky, known as an atmospheric river, dumped 9 inches of rain on the city over three days—over half of what the city typically gets in a year. It’s the kind of extreme rainfall that’ll get ever more extreme as the planet warms.

The city’s water managers, though, were ready and waiting. Like other urban areas around the world, in recent years LA has been transforming into a “sponge city,” replacing impermeable surfaces, like concrete, with permeable ones, like dirt and plants. It has also built out “spreading grounds,” where water accumulates and soaks into the earth.

With traditional dams and all that newfangled spongy infrastructure, between February 4 and 7 the metropolis captured 8.6 billion gallons of stormwater, enough to provide water to 106,000 households for a year. For the rainy season in total, LA has accumulated 14.7 billion gallons.

Long reliant on snowmelt and river water piped in from afar, LA is on a quest to produce as much water as it can locally. “There's going to be a lot more rain and a lot less snow, which is going to alter the way we capture snowmelt and the aqueduct water,” says Art Castro, manager of watershed management at the Los Angeles Department of Water and Power. “Dams and spreading grounds are the workhorses of local stormwater capture for either flood protection or water supply.”

Centuries of urban-planning dogma dictates using gutters, sewers, and other infrastructure to funnel rainwater out of a metropolis as quickly as possible to prevent flooding. Given the increasingly catastrophic urban flooding seen around the world, though, that clearly isn’t working anymore, so now planners are finding clever ways to capture stormwater, treating it as an asset instead of a liability. “The problem of urban hydrology is caused by a thousand small cuts,” says Michael Kiparsky, director of the Wheeler Water Institute at UC Berkeley. “No one driveway or roof in and of itself causes massive alteration of the hydrologic cycle. But combine millions of them in one area and it does. Maybe we can solve that problem with a thousand Band-Aids.”

Or in this case, sponges. The trick to making a city more absorbent is to add more gardens and other green spaces that allow water to percolate into underlying aquifers—porous subterranean materials that can hold water—which a city can then draw from in times of need. Engineers are also greening up medians and roadside areas to soak up the water that’d normally rush off streets, into sewers, and eventually out to sea...

To exploit all that free water falling from the sky, the LADWP has carved out big patches of brown in the concrete jungle. Stormwater is piped into these spreading grounds and accumulates in dirt basins. That allows it to slowly soak into the underlying aquifer, which acts as a sort of natural underground tank that can hold 28 billion gallons of water.

During a storm, the city is also gathering water in dams, some of which it diverts into the spreading grounds. “After the storm comes by, and it's a bright sunny day, you’ll still see water being released into a channel and diverted into the spreading grounds,” says Castro. That way, water moves from a reservoir where it’s exposed to sunlight and evaporation, into an aquifer where it’s banked safely underground.

On a smaller scale, LADWP has been experimenting with turning parks into mini spreading grounds, diverting stormwater there to soak into subterranean cisterns or chambers. It’s also deploying green spaces along roadways, which have the additional benefit of mitigating flooding in a neighborhood: The less concrete and the more dirt and plants, the more the built environment can soak up stormwater like the actual environment naturally does.

As an added benefit, deploying more of these green spaces, along with urban gardens, improves the mental health of residents. Plants here also “sweat,” cooling the area and beating back the urban heat island effect—the tendency for concrete to absorb solar energy and slowly release it at night. By reducing summer temperatures, you improve the physical health of residents. “The more trees, the more shade, the less heat island effect,” says Castro. “Sometimes when it’s 90 degrees in the middle of summer, it could get up to 110 underneath a bus stop.”

LA’s far from alone in going spongy. Pittsburgh is also deploying more rain gardens, and where they absolutely must have a hard surface—sidewalks, parking lots, etc.—they’re using special concrete bricks that allow water to seep through. And a growing number of municipalities are scrutinizing properties and charging owners fees if they have excessive impermeable surfaces like pavement, thus incentivizing the switch to permeable surfaces like plots of native plants or urban gardens for producing more food locally.

So the old way of stormwater management isn’t just increasingly dangerous and ineffective as the planet warms and storms get more intense—it stands in the way of a more beautiful, less sweltering, more sustainable urban landscape. LA, of all places, is showing the world there’s a better way.

The infrastructure to make the county more "spongy" is also used in the dry season to remediate contaminated groundwater and to return recycled water to the aquifers.

Rain gardens are just shallow depressions, usually 6" to 12" deep at most, designed to to hold water for 24 or 48 hours until it soaks into the ground. All you need is a shovel and plants native to your area that have deep roots. I made a rain garden in my front yard that takes the discharge from my sump pump as well as a gutter. Even in a big storm, I have no runoff from that side of the yard. I have been know to take videos of my rain garden in a storm and send them to my gardening friends. Check out the rainscaping page at Missouri Botanical Garden for more methods of managing rainwater.

Diving with Nanaimoteuthis, the Cretaceous Kraken

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Go forth and defeat your enemies

Never Alone Being held, but from the inside Learning how to be with myself without leaving

Not pushing parts away, just letting them stay

It used to feel hard to get to that place But it’s getting easier to find now

Cephalopod lovers, meet a squid that’s as cute as its name: the dumpling squid (Euprymna tasmanica)! Also known as the southern bobtail squid, this cephalopod inhabits shallow waters off the coast of southern Australia. It’s an ambush predator and uses mucus glands in its skin to coat itself in sand, where it then lies in wait for prey, like shrimp and small fish. Dumplings must learn to hunt fast: Because males of this species die shortly after mating and females die soon after laying eggs, newborn squid need to fend for themselves. These precocious hatchlings can snag prey twice their size!

Rufous-vented Ground Cuckoo (Neomorphus geoffroyi), family Cuculidae, order Cuculiformes, Costa Rica

Butterfly of the day Andeabatis chilensis

Southern Flannel Moth

Megalopyge opercularis

Yes, the first picture is actually a moth and not a plush toy!

Yes the second picture is actually a caterpillar and not a pile of fur! Commonly called the Puss Caterpillar

You guessed it, their eggs are fuzzy too!

The caterpillar's "fur" actually has hidden venomous spines that cause a really painful reaction to humans, so no touching!

Found in southeast United States