1 00:00:13,400 --> 00:00:10,700 here in the frigid waters of the Arctic 2 00:00:16,640 --> 00:00:13,410 a team aboard the US Coast Guard Cutter 3 00:00:20,179 --> 00:00:16,650 healing studies the sea ice for signs of 4 00:00:22,460 --> 00:00:20,189 climate change scientists also monitor 5 00:00:26,150 --> 00:00:22,470 the Arctic ice cap from space and 6 00:00:28,790 --> 00:00:26,160 they're worried by what they see the 7 00:00:31,070 --> 00:00:28,800 change over the Arctic sea is stunning 8 00:00:34,970 --> 00:00:31,080 we never ever seen such a large change 9 00:00:37,910 --> 00:00:34,980 before just between the 2005 and this 10 00:00:42,080 --> 00:00:37,920 winter the change in the perennial eyes 11 00:00:44,450 --> 00:00:42,090 which is the thick large Arctic sea is 12 00:00:48,080 --> 00:00:44,460 reduced by a million square kilometer 13 00:00:52,010 --> 00:00:48,090 that suppose the area of California and 14 00:00:54,560 --> 00:00:52,020 Texas combined a chunk of thick ice the 15 00:00:57,729 --> 00:00:54,570 size of two states has disappeared in 16 00:01:00,410 --> 00:00:57,739 two years is global warming the calls 17 00:01:02,569 --> 00:01:00,420 Sonya and Greg Newman of NASA's Jet 18 00:01:05,299 --> 00:01:02,579 Propulsion Laboratory say they don't 19 00:01:07,520 --> 00:01:05,309 have enough data yet to tell but they do 20 00:01:10,789 --> 00:01:07,530 know at least part of the answer is 21 00:01:13,730 --> 00:01:10,799 blowin in the wind we believe it's due 22 00:01:16,340 --> 00:01:13,740 to unusual wind pattern which cause the 23 00:01:19,760 --> 00:01:16,350 ice to be pushed out of the Arctic past 24 00:01:22,940 --> 00:01:19,770 Greenland and then it melted in the 25 00:01:25,190 --> 00:01:22,950 Arctic Ocean normally there is a current 26 00:01:27,380 --> 00:01:25,200 called the transport riff that go from 27 00:01:31,789 --> 00:01:27,390 the Russian side toward the Canadian 28 00:01:34,429 --> 00:01:31,799 side and how to the Queen land see this 29 00:01:37,370 --> 00:01:34,439 wind pattern pushed the eyes on both 30 00:01:41,060 --> 00:01:37,380 sides of this current loaded into this 31 00:01:43,940 --> 00:01:41,070 current it pushed them or accelerated 32 00:01:47,450 --> 00:01:43,950 out like a runaway train 33 00:01:50,929 --> 00:01:47,460 when thick perennial ice is lost it's 34 00:01:53,419 --> 00:01:50,939 hard to reverse the trend there are two 35 00:01:54,889 --> 00:01:53,429 kinds of Arctic ice there's the kind of 36 00:01:57,649 --> 00:01:54,899 ice that sticks around for many years 37 00:02:00,529 --> 00:01:57,659 more than one and that can grow to be 38 00:02:05,120 --> 00:02:00,539 very thick and then there's a kind of 39 00:02:08,479 --> 00:02:05,130 ice that grows and melts every year it 40 00:02:10,999 --> 00:02:08,489 seems that in recent years as ice has 41 00:02:13,640 --> 00:02:11,009 been lost it gets easier to lose more 42 00:02:17,720 --> 00:02:13,650 ice it's more sensitive to the weather 43 00:02:20,870 --> 00:02:17,730 patterns the wind and other factors it 44 00:02:22,910 --> 00:02:20,880 means that various kinds of creatures 45 00:02:29,660 --> 00:02:22,920 that live in the Arctic the polar bears 46 00:02:35,369 --> 00:02:32,550 the reduction of Arctic CI has been 47 00:02:37,619 --> 00:02:35,379 occurring over the past eight year it is 48 00:02:41,160 --> 00:02:37,629 likely that it may continue but there's 49 00:02:43,559 --> 00:02:41,170 no guarantee for that satellites like 50 00:02:45,750 --> 00:02:43,569 NASA's quick scat can identify different 51 00:02:47,690 --> 00:02:45,760 types of sea ice where it's moving and 52 00:02:50,369 --> 00:02:47,700 determine if it's growing or shrinking 53 00:02:52,890 --> 00:02:50,379 so while scientists may not have a 54 00:02:55,470 --> 00:02:52,900 complete answer to why the ice is