Moon 'wobble,' climate change seen as driving coastal flooding in 2030s

Saturday, July 17, 2021
Moon 'wobble,' climate change seen as driving coastal flooding in 2030s © Reuters. FILE PHOTO: Waves at high tide make their way over rocks and onto the road in Oceanside, California, U.S., November 27, 2019. REUTERS/Mike Blake/File Photo

By Dan Fastenberg

(Reuters) - U.S. coastlines will face increasing flooding in the mid-2030s thanks to a regular lunar cycle that will magnify rising sea levels caused by climate change, according to research led by NASA scientists.

A key factor identified by the scientists is a regular "wobble" in the moon's orbit - first identified in the 18th century - that takes 18.6 years to complete. The moon's gravitational pull helps drive Earth's tides.

In half of this lunar cycle, Earth's regular daily tides are diminished, with high tides lower than usual and low tides higher than usual. In the cycle's other half, the situation is reversed, with high tides higher and low tides lower.

The expected flooding will result from the combination of the continuing sea level rise associated with climate change and the arrival of an amplification part of the lunar cycle in the mid-2030s, the researchers said.

"In the background, we have long-term sea level rise associated with global warming. It's causing sea level to increase everywhere," Ben Hamlington, NASA team leader and one of the study's authors, told Reuters.

"This effect from the moon causes the tides to vary, so what we found is that this effect lines up with the underlying sea level rise, and that will cause flooding specifically in that time period from 2030 to 2040," Hamlington said.

The researchers studied 89 tide gauge locations in every coastal U.S. state and territory aside from Alaska. The effect of the dynamic applies to the entire planet except for far northern coastlines like in Alaska.

The prediction pushes previous estimates for serious coastal flooding forward by about 70 years.

The study, published this month in the journal Nature Climate Change, was led by members of a NASA science team that tracks sea level change. The study focused on U.S. coasts but the findings are applicable to coasts worldwide, NASA said.

"This is eye-opening for a lot of people," Hamlington said. "It's really critical information for planners. And I think there's a great amount of interest in trying to get this information from science and scientists into the hands of planners."

Hamlington said city planners should plan accordingly.

"A building or particular piece of infrastructure, you may want to be there for a very long amount of time, whereas something else you may just want to protect or have access to for a few years."

Leave your comment
27-07-2021 18:10:09 (UTC+7)

EUR/USD

1.1789

-0.0009 (-0.08%)

Summary

Neutral

Moving Avg:

Buy (12)

Sell (0)

Indicators:

Buy (2)

Sell (3)

EUR/USD

1.1789

-0.0009 (-0.08%)

Summary

Neutral

Moving Avg:

Buy (12)

Sell (0)

Indicators:

Buy (2)

Sell (3)

GBP/USD

1.3791

-0.0026 (-0.18%)

Summary

↑ Buy

Moving Avg:

Buy (12)

Sell (0)

Indicators:

Buy (10)

Sell (0)

USD/JPY

110.14

-0.20 (-0.19%)

Summary

↑ Buy

Moving Avg:

Buy (12)

Sell (0)

Indicators:

Buy (8)

Sell (1)

AUD/USD

0.7358

-0.0022 (-0.30%)

Summary

Sell

Moving Avg:

Buy (5)

Sell (7)

Indicators:

Buy (1)

Sell (5)

USD/CAD

1.2577

+0.0037 (+0.30%)

Summary

↑ Buy

Moving Avg:

Buy (11)

Sell (1)

Indicators:

Buy (8)

Sell (2)

EUR/JPY

129.84

-0.35 (-0.27%)

Summary

↑ Buy

Moving Avg:

Buy (12)

Sell (0)

Indicators:

Buy (9)

Sell (2)

EUR/CHF

1.0812

+0.0005 (+0.05%)

Summary

↑ Sell

Moving Avg:

Buy (2)

Sell (10)

Indicators:

Buy (1)

Sell (6)

Gold Futures

1,795.95

-3.25 (-0.18%)

Summary

↑ Sell

Moving Avg:

Buy (1)

Sell (11)

Indicators:

Buy (1)

Sell (9)

Silver Futures

25.163

-0.155 (-0.61%)

Summary

Sell

Moving Avg:

Buy (4)

Sell (8)

Indicators:

Buy (2)

Sell (5)

Copper Futures

4.5468

-0.0382 (-0.83%)

Summary

↑ Sell

Moving Avg:

Buy (3)

Sell (9)

Indicators:

Buy (1)

Sell (9)

Crude Oil WTI Futures

72.03

+0.12 (+0.17%)

Summary

Neutral

Moving Avg:

Buy (4)

Sell (8)

Indicators:

Buy (4)

Sell (4)

Brent Oil Futures

73.91

+0.21 (+0.28%)

Summary

↑ Buy

Moving Avg:

Buy (12)

Sell (0)

Indicators:

Buy (8)

Sell (1)

Natural Gas Futures

4.039

-0.043 (-1.05%)

Summary

↑ Sell

Moving Avg:

Buy (0)

Sell (12)

Indicators:

Buy (0)

Sell (7)

US Coffee C Futures

206.03

-1.77 (-0.85%)

Summary

Sell

Moving Avg:

Buy (4)

Sell (8)

Indicators:

Buy (2)

Sell (3)

Euro Stoxx 50

4,090.50

-12.09 (-0.29%)

Summary

↑ Buy

Moving Avg:

Buy (10)

Sell (2)

Indicators:

Buy (9)

Sell (0)

S&P 500

4,422.30

+10.51 (+0.24%)

Summary

↑ Buy

Moving Avg:

Buy (12)

Sell (0)

Indicators:

Buy (9)

Sell (0)

DAX

15,570.85

-48.13 (-0.31%)

Summary

↑ Buy

Moving Avg:

Buy (11)

Sell (1)

Indicators:

Buy (8)

Sell (0)

FTSE 100

7,006.65

-18.78 (-0.27%)

Summary

↑ Buy

Moving Avg:

Buy (11)

Sell (1)

Indicators:

Buy (9)

Sell (0)

Hang Seng

25,060.87

-1159.13 (-4.42%)

Summary

↑ Buy

Moving Avg:

Buy (8)

Sell (4)

Indicators:

Buy (8)

Sell (0)

US Small Cap 2000

2,216.03

+6.38 (+0.29%)

Summary

↑ Buy

Moving Avg:

Buy (12)

Sell (0)

Indicators:

Buy (6)

Sell (0)

IBEX 35

8,720.00

-55.20 (-0.63%)

Summary

↑ Buy

Moving Avg:

Buy (11)

Sell (1)

Indicators:

Buy (8)

Sell (0)

BASF SE NA O.N.

67.235

-0.305 (-0.45%)

Summary

↑ Buy

Moving Avg:

Buy (12)

Sell (0)

Indicators:

Buy (8)

Sell (0)

Bayer AG NA

50.73

-0.67 (-1.30%)

Summary

↑ Buy

Moving Avg:

Buy (12)

Sell (0)

Indicators:

Buy (9)

Sell (0)

Allianz SE VNA O.N.

210.40

-0.50 (-0.24%)

Summary

↑ Buy

Moving Avg:

Buy (12)

Sell (0)

Indicators:

Buy (10)

Sell (0)

Adidas AG

312.23

+0.28 (+0.09%)

Summary

↑ Buy

Moving Avg:

Buy (12)

Sell (0)

Indicators:

Buy (9)

Sell (0)

Deutsche Lufthansa AG

9.976

+0.129 (+1.31%)

Summary

Neutral

Moving Avg:

Buy (7)

Sell (5)

Indicators:

Buy (2)

Sell (1)

Siemens AG Class N

133.12

-1.44 (-1.07%)

Summary

↑ Buy

Moving Avg:

Buy (12)

Sell (0)

Indicators:

Buy (8)

Sell (0)

Deutsche Bank AG

10.576

-0.084 (-0.79%)

Summary

↑ Buy

Moving Avg:

Buy (11)

Sell (1)

Indicators:

Buy (7)

Sell (0)

 EUR/USD1.1789Neutral
 GBP/USD1.3791↑ Buy
 USD/JPY110.14↑ Buy
 AUD/USD0.7358Sell
 USD/CAD1.2577↑ Buy
 EUR/JPY129.84↑ Buy
 EUR/CHF1.0812↑ Sell
 Gold1,795.95↑ Sell
 Silver25.163Sell
 Copper4.5468↑ Sell
 Crude Oil WTI72.03Neutral
 Brent Oil73.91↑ Buy
 Natural Gas4.039↑ Sell
 US Coffee C206.03Sell
 Euro Stoxx 504,090.50↑ Buy
 S&P 5004,422.30↑ Buy
 DAX15,570.85↑ Buy
 FTSE 1007,006.65↑ Buy
 Hang Seng25,060.87↑ Buy
 Small Cap 20002,216.03↑ Buy
 IBEX 358,720.00↑ Buy
 BASF67.235↑ Buy
 Bayer50.73↑ Buy
 Allianz210.40↑ Buy
 Adidas312.23↑ Buy
 Lufthansa9.976Neutral
 Siemens AG133.12↑ Buy
 Deutsche Bank AG10.576↑ Buy
Mua/Bán 1 chỉ SJC
# So hôm qua # Chênh TG
SJC Eximbank5,660/ 5,715
(-5/ -5) # 712
SJC HCM5,660/ 5,730
(-20/ -15) # 728
SJC Hanoi5,660/ 5,732
(-20/ -15) # 730
SJC Danang5,660/ 5,732
(-20/ -15) # 730
SJC Nhatrang5,660/ 5,732
(-20/ -15) # 730
SJC Cantho5,660/ 5,732
(-20/ -15) # 730
Cập nhật 27-07-2021 18:10:11
Xem lịch sử giá vàng SJC: nhấn đây!
ↀ Giá vàng thế giới
$1,796.08-1.85-0.10%
Live 24 hour Gold Chart
ʘ Giá bán lẻ xăng dầu
Sản phẩmVùng 1Vùng 2
RON 95-IV2178022210
RON 95-II,III2168022110
E5 RON 92-II2049020890
DO 0.05S1637016690
DO 0,001S-V1672017050
Dầu hỏa1539015690
ↂ Giá dầu thô thế giới
WTI$72.02-0.25-0.35%
Brent$74.78-0.81-1.08%
$ Tỷ giá Vietcombank
Ngoại tệMua vàoBán ra
USD22.880,0023.110,00
EUR26.476,7927.854,49
GBP31.000,6032.295,52
JPY203,52214,19
KRW17,3221,08
Cập nhật lúc 18:09:29 27/07/2021
Xem bảng tỷ giá hối đoái