Câu hỏi:
26/08/2023 1,097
Question 11-15
A. Old Ice Clues
B. History Repeating Itself.
C. Super Fast Melt
D. Accurate Predictors
E. Fresh Input
When the climate began to warm during the last Ice Age about 23,000 years ago, much of the Northern Hemisphere was covered I in ice.
In two new studies published this week in Nature Geoscience, researchers describe how ice sheets behaved in the past could help scientists better predict what might happen to them in a warmer world of our future.
(11) ___________
University of Wisconsin geologist Anders Carlson studies ice sheet melt from land and ocean sediment cores. His study describes what prehistoric Earth was like in North America and Northern Europe some 140,000 years ago.
“What we found in this paper was that ice that’s resting on land it responded very quickly to the warming climate, but then it didn’t retreat really rapidly. It kind of chugged along and slowly melted like an ice cube if you put a hairdryer on it,” Carlson says, adding that was not the case with ice sheets floating on the ocean. “Marine based ice sheets behave unpredictably. They may not do anything for a while, and then they all of a sudden respond very abruptly. They can rapidly disappear.”
(12) ___________
Greenland and Antarctica hold the Earth’s last remaining ice sheets. In July, satellite data showed that 97 percent of the surface of the Greenland ice sheet had turned to slush over four days, a rate faster than at any time in recorded history. According to Carlson, it might be responding rapidly to small changes in temperature, similar to what he saw in the prehistoric record of ice sheets on land.
A paper in Nature Geoscience looks back 12,000 to 7,000 years to when massive ice sheets still covered the high latitudes of the Northern Hemisphere. At that time, the global climate was roughly comparable to what it is today and glaciers were melting. The study describes abrupt sea level jumps - from one-half to two meters - from melting glaciers.
“What happens when you suddenly drain these massive amounts of fresh water into the ocean? It’s going to change ocean circulation,” says co-author Torbjorn Tornqvist, an Earth scientist at Tulane University in Louisiana. Today, rapid melting from the Greenland ice sheet would send massive amounts of fresh water into the North Atlantic Ocean, changing the marine environment. “But it will also lead to potentially higher precipitation rates in the same region, which could also lead to fresher surface waters in the North Atlantic,” Tornqvist says. “So we need to understand whether those types of changes could potentially be capable of triggering these kinds of abrupt climate events.”
Tornqvist adds that understanding how abrupt climate changes affected Earth’s geologic past can help design climate models that can better predict the future.
When the climate began to warm during the last Ice Age about 23,000 years ago, much of the Northern Hemisphere was covered I in ice.
In two new studies published this week in Nature Geoscience, researchers describe how ice sheets behaved in the past could help scientists better predict what might happen to them in a warmer world of our future.
(11) ___________
University of Wisconsin geologist Anders Carlson studies ice sheet melt from land and ocean sediment cores. His study describes what prehistoric Earth was like in North America and Northern Europe some 140,000 years ago.
Question 11-15
A. Old Ice Clues
B. History Repeating Itself.
C. Super Fast Melt
D. Accurate Predictors
E. Fresh Input
When the climate began to warm during the last Ice Age about 23,000 years ago, much of the Northern Hemisphere was covered I in ice.
In two new studies published this week in Nature Geoscience, researchers describe how ice sheets behaved in the past could help scientists better predict what might happen to them in a warmer world of our future.
(11) ___________
University of Wisconsin geologist Anders Carlson studies ice sheet melt from land and ocean sediment cores. His study describes what prehistoric Earth was like in North America and Northern Europe some 140,000 years ago.
“What we found in this paper was that ice that’s resting on land it responded very quickly to the warming climate, but then it didn’t retreat really rapidly. It kind of chugged along and slowly melted like an ice cube if you put a hairdryer on it,” Carlson says, adding that was not the case with ice sheets floating on the ocean. “Marine based ice sheets behave unpredictably. They may not do anything for a while, and then they all of a sudden respond very abruptly. They can rapidly disappear.”
(12) ___________
Greenland and Antarctica hold the Earth’s last remaining ice sheets. In July, satellite data showed that 97 percent of the surface of the Greenland ice sheet had turned to slush over four days, a rate faster than at any time in recorded history. According to Carlson, it might be responding rapidly to small changes in temperature, similar to what he saw in the prehistoric record of ice sheets on land.
A paper in Nature Geoscience looks back 12,000 to 7,000 years to when massive ice sheets still covered the high latitudes of the Northern Hemisphere. At that time, the global climate was roughly comparable to what it is today and glaciers were melting. The study describes abrupt sea level jumps - from one-half to two meters - from melting glaciers.
“What happens when you suddenly drain these massive amounts of fresh water into the ocean? It’s going to change ocean circulation,” says co-author Torbjorn Tornqvist, an Earth scientist at Tulane University in Louisiana. Today, rapid melting from the Greenland ice sheet would send massive amounts of fresh water into the North Atlantic Ocean, changing the marine environment. “But it will also lead to potentially higher precipitation rates in the same region, which could also lead to fresher surface waters in the North Atlantic,” Tornqvist says. “So we need to understand whether those types of changes could potentially be capable of triggering these kinds of abrupt climate events.”
Tornqvist adds that understanding how abrupt climate changes affected Earth’s geologic past can help design climate models that can better predict the future.
When the climate began to warm during the last Ice Age about 23,000 years ago, much of the Northern Hemisphere was covered I in ice.
In two new studies published this week in Nature Geoscience, researchers describe how ice sheets behaved in the past could help scientists better predict what might happen to them in a warmer world of our future.
(11) ___________
University of Wisconsin geologist Anders Carlson studies ice sheet melt from land and ocean sediment cores. His study describes what prehistoric Earth was like in North America and Northern Europe some 140,000 years ago.
Quảng cáo
Trả lời:
Giải bởi Vietjack
Đáp án đúng là: A
Câu hỏi cùng đoạn
Câu 2:
(12) ___________
Greenland and Antarctica hold the Earth’s last remaining ice sheets. In July, satellite data showed that 97 percent of the surface of the Greenland ice sheet had turned to slush over four days, a rate faster than at any time in recorded history. According to Carlson, it might be responding rapidly to small changes in temperature, similar to what he saw in the prehistoric record of ice sheets on land.
(12) ___________
Greenland and Antarctica hold the Earth’s last remaining ice sheets. In July, satellite data showed that 97 percent of the surface of the Greenland ice sheet had turned to slush over four days, a rate faster than at any time in recorded history. According to Carlson, it might be responding rapidly to small changes in temperature, similar to what he saw in the prehistoric record of ice sheets on land.
Lời giải của GV VietJack
Đáp án đúng là: C
Câu 3:
(13) ___________
A paper in Nature Geoscience looks back 12,000 to 7,000 years to when massive ice sheets still covered the high latitudes of the Northern Hemisphere. At that time, the global climate was roughly comparable to what it is today and glaciers were melting. The study describes abrupt sea level jumps - from one-half to two meters - from melting glaciers.
(13) ___________
A paper in Nature Geoscience looks back 12,000 to 7,000 years to when massive ice sheets still covered the high latitudes of the Northern Hemisphere. At that time, the global climate was roughly comparable to what it is today and glaciers were melting. The study describes abrupt sea level jumps - from one-half to two meters - from melting glaciers.
Lời giải của GV VietJack
Đáp án đúng là: B
Câu 4:
(14) ___________
“What happens when you suddenly drain these massive amounts of fresh water into the ocean? It’s going to change ocean circulation,” says co-author Torbjorn Tornqvist, an Earth scientist at Tulane University in Louisiana. Today, rapid melting from the Greenland ice sheet would send massive amounts of fresh water into the North Atlantic Ocean, changing the marine environment. “But it will also lead to potentially higher precipitation rates in the same region, which could also lead to fresher surface waters in the North Atlantic,” Tornqvist says. “So we need to understand whether those types of changes could potentially be capable of triggering these kinds of abrupt climate events.”
(14) ___________
“What happens when you suddenly drain these massive amounts of fresh water into the ocean? It’s going to change ocean circulation,” says co-author Torbjorn Tornqvist, an Earth scientist at Tulane University in Louisiana. Today, rapid melting from the Greenland ice sheet would send massive amounts of fresh water into the North Atlantic Ocean, changing the marine environment. “But it will also lead to potentially higher precipitation rates in the same region, which could also lead to fresher surface waters in the North Atlantic,” Tornqvist says. “So we need to understand whether those types of changes could potentially be capable of triggering these kinds of abrupt climate events.”
Lời giải của GV VietJack
Đáp án đúng là: E
Câu 5:
(15) ___________
Tornqvist adds that understanding how abrupt climate changes affected Earth’s geologic past can help design climate models that can better predict the future.
(15) ___________
Tornqvist adds that understanding how abrupt climate changes affected Earth’s geologic past can help design climate models that can better predict the future.
Lời giải của GV VietJack
Đáp án đúng là: D
Hot: 500+ Đề thi vào 10 file word các Sở Hà Nội, TP Hồ Chí Minh có đáp án 2025 (chỉ từ 100k). Tải ngay
Sách thầy cô Vietjack biên soạn:
CÂU HỎI HOT CÙNG CHỦ ĐỀ
Lời giải
Đáp án đúng là: E. A quick look at tourism
Lời giải
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Lời giải
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Câu 5
(3) ___________
It is easier now than ever before for people to travel for pleasure. Most employees are given time off from work so they can go on vacation. They may also receive wages to cover the time they are away. Companies involved in tourism have made it easy for people to book a break by creating package vacations. Modern communication systems, especially the Internet, have made it simple for people to research and book their vacations. Transportation systems are also more advanced now than at any time in the past. People can fly, drive, or take a train or boat to destinations all around the world.
(3) ___________
It is easier now than ever before for people to travel for pleasure. Most employees are given time off from work so they can go on vacation. They may also receive wages to cover the time they are away. Companies involved in tourism have made it easy for people to book a break by creating package vacations. Modern communication systems, especially the Internet, have made it simple for people to research and book their vacations. Transportation systems are also more advanced now than at any time in the past. People can fly, drive, or take a train or boat to destinations all around the world.
Lời giải
Bạn cần đăng ký gói VIP ( giá chỉ từ 199K ) để làm bài, xem đáp án và lời giải chi tiết không giới hạn.
Lời giải
Bạn cần đăng ký gói VIP ( giá chỉ từ 199K ) để làm bài, xem đáp án và lời giải chi tiết không giới hạn.
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