Chemical imbalances in the Arabian Gulf caused by rapid warming and excessive use of fertiliser in agriculture could be expanding the world’s largest marine dead zone towards the UAE’s shores.
Researchers at New York University Abu Dhabi conducted a study that mapped the potential growth of the Arabian Sea’s dead zone - an area of low oxygen caused by excessive pollution that strains the resources needed to sustain marine life.
Dead zones are increasing in size and in number yearly because of rising water temperatures. Scientists are increasingly finding more aquatic systems succumbing to this man-made phenomena with a 2008 study counting more than 400 dead zones worldwide.
The research conducted in the Arabian Gulf adds to a growing body of global climate models that aim to better understand the effects of climate change on our oceans.
"Our study is the first to show that local temperature changes in a semi-enclosed sea, like the Arabian Gulf, can have important consequences for oxygen and marine habitats not only locally but also for ecosystems thousands of kilometres away," said Zouhair Lachkar, a senior scientist at NYUAD’s Center for Prototype Climate Modelling, who contributed to the study.
Dead zones are caused by an increase in nutrients, particularly nitrogen and phosphorus that are found in fertilisers, which leech into the water and prompt an algal bloom. As the algae decomposes, the bacteria that feeds on it consumes oxygen in the water, creating areas of low oxygen. The process can be exacerbated by warming seas and, with the Arabian Gulf predicted to grow warmer in the future, the dead zone could intensify.
Mr Lachkar, along with K Shafer Smith, professor of mathematics, atmosphere, and ocean science at NYUAD, and Marina Levy, deputy director at the Institute of Research for Development, used computer modelling and simulation to explore the dead zone.
Their results indicate that warming in the Gulf is resulting in depletion of oxygen and available nitrogen in the Arabian Sea. This can reduce marine habitats for species that cannot survive without adequate oxygen and may restrict the growth of phytoplankton, a kind of bacteria that serves as food for some animals in the North Indian Ocean.
"Our findings imply that temperature changes can lead to biases in global climate models at a scale much larger than the scale of the semi-enclosed seas themselves,” he said.
Humans can slow or halt the process of the ocean’s deoxygenation and the spread of the dead zone through reducing carbon dioxide emissions.
THE SPECS
Engine: 6.75-litre twin-turbocharged V12 petrol engine
Power: 420kW
Torque: 780Nm
Transmission: 8-speed automatic
Price: From Dh1,350,000
On sale: Available for preorder now
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The five pillars of Islam
Volvo ES90 Specs
Engine: Electric single motor (96kW), twin motor (106kW) and twin motor performance (106kW)
Power: 333hp, 449hp, 680hp
Torque: 480Nm, 670Nm, 870Nm
On sale: Later in 2025 or early 2026, depending on region
Price: Exact regional pricing TBA
BMW M5 specs
Engine: 4.4-litre twin-turbo V-8 petrol enging with additional electric motor
Power: 727hp
Torque: 1,000Nm
Transmission: 8-speed auto
Fuel consumption: 10.6L/100km
On sale: Now
Price: From Dh650,000
Infiniti QX80 specs
Engine: twin-turbocharged 3.5-liter V6
Power: 450hp
Torque: 700Nm
Price: From Dh450,000, Autograph model from Dh510,000
Available: Now
MOUNTAINHEAD REVIEW
Starring: Ramy Youssef, Steve Carell, Jason Schwartzman
Director: Jesse Armstrong
Rating: 3.5/5
MATCH INFO
Europa League semi-final, second leg
Atletico Madrid (1) v Arsenal (1)
Where: Wanda Metropolitano
When: Thursday, May 3
Live: On BeIN Sports HD
COMPANY PROFILE
Name: Akeed
Based: Muscat
Launch year: 2018
Number of employees: 40
Sector: Online food delivery
Funding: Raised $3.2m since inception
More coverage from the Future Forum
If you go
The flights
There are direct flights from Dubai to Sofia with FlyDubai (www.flydubai.com) and Wizz Air (www.wizzair.com), from Dh1,164 and Dh822 return including taxes, respectively.
The trip
Plovdiv is 150km from Sofia, with an hourly bus service taking around 2 hours and costing $16 (Dh58). The Rhodopes can be reached from Sofia in between 2-4hours.
The trip was organised by Bulguides (www.bulguides.com), which organises guided trips throughout Bulgaria. Guiding, accommodation, food and transfers from Plovdiv to the mountains and back costs around 170 USD for a four-day, three-night trip.
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MATCH INFO
What: India v Afghanistan, first Test
When: Starts Thursday
Where: M Chinnaswamy Stadium, Bengalaru
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RACE RESULTS
1. Valtteri Bottas (FIN/Mercedes) 1hr 21min 48.527sec
2. Sebastian Vettel (GER/Ferrari) at 0.658sec
3. Daniel Ricciardo (AUS/Red Bull) 6.012
4. Lewis Hamilton (GBR/Mercedes) 7.430
5. Kimi Räikkönen (FIN/Ferrari) 20.370
6. Romain Grosjean (FRA/Haas) 1:13.160
7. Sergio Pérez (MEX/Force India) 1 lap
8. Esteban Ocon (FRA/Force India) 1 lap
9. Felipe Massa (BRA/Williams) 1 lap
10. Lance Stroll (CAN/Williams) 1 lap
11. Jolyon Palmer (GBR/Renault) 1 lap
12. Stoffel Vandoorne (BEL/McLaren) 1 lap
13. Nico Hülkenberg (GER/Renault) 1 lap
14. Pascal Wehrlein (GER/Sauber) 1 lap
15. Marcus Ericsson (SWE/Sauber) 2 laps
16. Daniil Kvyat (RUS/Toro Rosso) 3 laps
Keep it fun and engaging
Stuart Ritchie, director of wealth advice at AES International, says children cannot learn something overnight, so it helps to have a fun routine that keeps them engaged and interested.
“I explain to my daughter that the money I draw from an ATM or the money on my bank card doesn’t just magically appear – it’s money I have earned from my job. I show her how this works by giving her little chores around the house so she can earn pocket money,” says Mr Ritchie.
His daughter is allowed to spend half of her pocket money, while the other half goes into a bank account. When this money hits a certain milestone, Mr Ritchie rewards his daughter with a small lump sum.
He also recommends books that teach the importance of money management for children, such as The Squirrel Manifesto by Ric Edelman and Jean Edelman.
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Killing of Qassem Suleimani
Specs
Engine: 51.5kW electric motor
Range: 400km
Power: 134bhp
Torque: 175Nm
Price: From Dh98,800
Available: Now
The specs
Engine: Four electric motors, one at each wheel
Power: 579hp
Torque: 859Nm
Transmission: Single-speed automatic
Price: From Dh825,900
On sale: Now
COMPANY PROFILE
Name: Lamsa
Founder: Badr Ward
Launched: 2014
Employees: 60
Based: Abu Dhabi
Sector: EdTech
Funding to date: $15 million
Killing of Qassem Suleimani
The specs
AT4 Ultimate, as tested
Engine: 6.2-litre V8
Power: 420hp
Torque: 623Nm
Transmission: 10-speed automatic
Price: From Dh330,800 (Elevation: Dh236,400; AT4: Dh286,800; Denali: Dh345,800)
On sale: Now
Tips for newlyweds to better manage finances
All couples are unique and have to create a financial blueprint that is most suitable for their relationship, says Vijay Valecha, chief investment officer at Century Financial. He offers his top five tips for couples to better manage their finances.
Discuss your assets and debts: When married, it’s important to understand each other’s personal financial situation. It’s necessary to know upfront what each party brings to the table, as debts and assets affect spending habits and joint loan qualifications. Discussing all aspects of their finances as a couple prevents anyone from being blindsided later.
Decide on the financial/saving goals: Spouses should independently list their top goals and share their lists with one another to shape a joint plan. Writing down clear goals will help them determine how much to save each month, how much to put aside for short-term goals, and how they will reach their long-term financial goals.
Set a budget: A budget can keep the couple be mindful of their income and expenses. With a monthly budget, couples will know exactly how much they can spend in a category each month, how much they have to work with and what spending areas need to be evaluated.
Decide who manages what: When it comes to handling finances, it’s a good idea to decide who manages what. For example, one person might take on the day-to-day bills, while the other tackles long-term investments and retirement plans.
Money date nights: Talking about money should be a healthy, ongoing conversation and couples should not wait for something to go wrong. They should set time aside every month to talk about future financial decisions and see the progress they’ve made together towards accomplishing their goals.
Killing of Qassem Suleimani
UAE currency: the story behind the money in your pockets