1 00:00:12,070 --> 00:00:10,070 i'm michael studinger and i'm the 2 00:00:16,870 --> 00:00:12,080 project scientist for operation 3 00:00:21,910 --> 00:00:19,429 in the particular upcoming campaign we 4 00:00:24,710 --> 00:00:21,920 will focus on measuring ice surface 5 00:00:26,790 --> 00:00:24,720 elevations over antarctica with a laser 6 00:00:29,429 --> 00:00:26,800 scanner that we have mounted on the dc-8 7 00:00:30,390 --> 00:00:29,439 aircraft and we will also look into 8 00:00:32,790 --> 00:00:30,400 measuring 9 00:00:34,870 --> 00:00:32,800 the surface elevation and surface 10 00:00:36,870 --> 00:00:34,880 characteristics of the sea ice that 11 00:00:38,389 --> 00:00:36,880 surrounds antarctica and the southern 12 00:00:40,229 --> 00:00:38,399 ocean 13 00:00:42,150 --> 00:00:40,239 since we have this opportunity with a 14 00:00:44,229 --> 00:00:42,160 big aircraft that can carry many 15 00:00:47,110 --> 00:00:44,239 different instruments we not only 16 00:00:49,270 --> 00:00:47,120 measure the ice surface elevation but we 17 00:00:51,190 --> 00:00:49,280 have also ice penetrating radar 18 00:00:53,430 --> 00:00:51,200 instruments on the aircraft that allow 19 00:00:55,110 --> 00:00:53,440 us to actually look through the ice find 20 00:00:57,110 --> 00:00:55,120 out how thick the ice is over the 21 00:00:58,950 --> 00:00:57,120 interior of antarctica 22 00:01:02,069 --> 00:00:58,960 this is something we need to know in 23 00:01:04,229 --> 00:01:02,079 great detail in order to develop better 24 00:01:06,630 --> 00:01:04,239 ice sheet models that will allow us to 25 00:01:12,149 --> 00:01:06,640 characterize how much sea level will 26 00:01:16,710 --> 00:01:14,149 about the time we started flying in 27 00:01:19,109 --> 00:01:16,720 antarctica last year in october i sat 28 00:01:21,350 --> 00:01:19,119 stopped collecting data 29 00:01:24,710 --> 00:01:21,360 the follow-up mission icesat-2 will be 30 00:01:26,950 --> 00:01:24,720 launched in 2015 31 00:01:30,070 --> 00:01:26,960 in order to fill this gap nasa has a 32 00:01:32,789 --> 00:01:30,080 launch operation icebridge 33 00:01:34,469 --> 00:01:32,799 we are looking back through 10 years of 34 00:01:36,469 --> 00:01:34,479 weather history to come up with a 35 00:01:39,030 --> 00:01:36,479 certain estimate of how many flights 36 00:01:41,190 --> 00:01:39,040 depending on the availability of crew 37 00:01:43,590 --> 00:01:41,200 and other things we can possibly 38 00:01:46,950 --> 00:01:43,600 accomplish in a certain time window and