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The Scary Map That Shows How Climate Change Will Change Your City



The central contradiction of climate change is that it is simultaneously the most epic problem that our species has ever faced yet it is largely invisible to the average person. From the comfort of your home, you may not realize how climate change is affecting mental health, or ecosystem ripping, or how cities like Los Angeles are taking tight steps to prepare for in water shortages.

The challenge for scientists, then, raises an alarm on something that's hard to think. But a new interactive map is probably one of the best visualizations yet as to change climate change America. Click on your city, and the map refers to a modern analog city that matches what your climate can be in 2080. New York city will feel like now Jonesboro, Arkansas; the Bay Area is more like LA; and LA more like the very tip of Baja California. If it does not put the risk of climate change in perspective for you, I'm not sure what to do.

Matt Fitzpatrick / University of Maryland Center for Environmental Science

The data behind it is nothing new, but the public-friendly repackaging of that data, known as climate mapping -analog, represents a shift in how science reaches the public. "The idea is to translate seasonal forecasts into something less remote, more abstract, more psychologically local and relevant," said University of Maryland ecologist Matt Fitzpatrick, the leader author of a new role in Nature Communications describing the system.

Fitzpatrick looked at 540 cities in North America using three major datasets. One is captured by current climatic conditions (an average of years between 1960 and 1990), the second contains projections of future climate, and the third is given historical diversity of the climate annually taken from NOAA timeline. (Depending on the city, the climate may be more "stable" or more comfortable between years.) Researchers are considered to be temperatures and rains in particular, although of course these are not just two variables when climate modeling-more than just a bit.

Matt Fitzpatrick / University of Maryland for Environmental Science Center

If you click around the interactive map, you will notice some trends under the scenario where emissions continue to rise 60 years. "Many East Coast cities will be more like locations in the southwest, typically about 500 miles away," says Fitzpatrick. On the West Coast, the cities usually look like places that are right in the south of them. For example, in Portland, 2080 will be more like the Central Valley of California, which is usually hotter and hotter. Also, a map has a choice (on the left) that uses different calculations to show how transfers will look when emissions reach around 2040 and begin to fall.

The implications are surprising, but may also be useful. "The framing of results in a convenient way for the public sector, to inform policy, and for the scientific community, is frighteningly difficult," says climate scientist at the University of Wisconsin-Madison Kevin Burke, who was not involved in the study. "A remarkable result of this work is the potential for cities and their analogue pairs to transfer knowledge and coordinate climate adaptation strategies."

For example, take extreme heat. That is a standard in a place like Phoenix, a city full of air conditioners. But in a place like San Francisco, air conditioning is a rarity. If San Francisco is done in a climate like LA for 60 years, that would be a major public health problem. Extreme heat can easily be killed, as Europe's deadly wave in 2017.

Another major consideration is water. Many urban areas can dry up, but others can see that their total rainfall does not change. However, rain patterns may change-in all winter fall, for example. "Even though it gets the same value, there can be really big implications for areas that are not used to having an extended summer drought, or what you have," says Fitzpatrick.

San Francisco can stand up to learn some water management strategies from its 2080 analog. Climate models predict that in the coming decades, LA will see a smaller, stronger storm. So to prepare, the city has begun an ambitious program to capture the huge water dumps with a network of wells built on street medians. The downfall program reduces its dependence on water pipeline in the city from afar.

The Bay Area, whose history has been blessed with more rainwater than its southern neighbor, has not been thinking. The rich communities threw its dimensions when new water demands mean that their lawn is- pork chase -turn brown. "Los Angeles is at the forefront of the Bay Area in terms of incentives to move away from the more water-rich outdoor landscaping we have even in the progressive Bay Area," says Michael Kiparsky, director of Wheeler Water Institute at UC Berkeley, which is not involved in this new work.

Rainfall changes have serious implications for agriculture, of course. But something more mysterious will open: As the climate changes, as well as the cosmetics of local ecosystems. For example, mosquitoes like mosquitoes can boast in your community. Some plant species can not handle sudden shifts and deaths.

"People can adapt to some extent, and move, but animals and ecosystems will not work for that short time," says Swiss Federal Scientist of the Institute of Technology Reto Knutti, who not involved in the study. "So we're pursuing a risky experiment on Earth, with some unknown consequences."

"That's really my biggest concern," Fitzpatrick says. "Direct climate change is not required, the indirect effects on natural and agricultural systems that have been given magnitude and rate of these changes."

Still more frightening, some of North American cities Fitzpatrick explored have no modern equivalent in 2080. That is, you can not compare them to a climate we see today. Where the threat of threat is more difficult-the Bay Area can expect to feel more like Los Angeles for 60 years and adapt accordingly, but if you do not have a good idea of ​​what's coming, it's difficult to mitigate against threats.

However, to be clear, this analogous climate approach facilitates things-for example, researchers leave complex factors such as the effect of the city's heat structure, where cities absorb more heat than the surrounding rural areas. And it is climate norm not time. Thus, the recent cold snap on the East Coast is formed by warmer temperatures in the Atlantic.

"None of these analogs gets," says Andrew Jarvis, a scientist at CGIAR, an agricultural research institute. "So from a communications perspective, that's one of its dangers, it's super simplifying." And it is necessary: ​​Climate systems are complex in monuments, though scientists are gradually getting better knowledge of how our planet will change during climate change. Only one map can not interact with all that knowledge.

However, the idea of ​​having a new interactive map is to better visualize-both for regular citizens and policy builders-what was previously presented as unsure datasets. "I hope more than anything else is an eye opener and it starts more than these discussions so that more planning can take place," Fitzpatrick says.

Climate change is here, and it is confronting confusion. Consider this, then, a roadmap to help navigate the conflict.


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