1 00:00:11,759 --> 00:00:13,589 earth's atmosphere 2 00:00:13,589 --> 00:00:13,599 earth's atmosphere 3 00:00:13,599 --> 00:00:16,310 earth's atmosphere it's the air we breathe the force that 4 00:00:16,310 --> 00:00:16,320 it's the air we breathe the force that 5 00:00:16,320 --> 00:00:18,950 it's the air we breathe the force that regulates our temperature weather and 6 00:00:18,950 --> 00:00:18,960 regulates our temperature weather and 7 00:00:18,960 --> 00:00:21,510 regulates our temperature weather and importantly what cleanses pollutants 8 00:00:21,510 --> 00:00:21,520 importantly what cleanses pollutants 9 00:00:21,520 --> 00:00:23,349 importantly what cleanses pollutants from the environment 10 00:00:23,349 --> 00:00:23,359 from the environment 11 00:00:23,359 --> 00:00:25,349 from the environment we've begun to realize that our 12 00:00:25,349 --> 00:00:25,359 we've begun to realize that our 13 00:00:25,359 --> 00:00:27,509 we've begun to realize that our atmosphere has no geographical 14 00:00:27,509 --> 00:00:27,519 atmosphere has no geographical 15 00:00:27,519 --> 00:00:30,070 atmosphere has no geographical boundaries when it comes to pollution 16 00:00:30,070 --> 00:00:30,080 boundaries when it comes to pollution 17 00:00:30,080 --> 00:00:32,470 boundaries when it comes to pollution airborne industrial waste in one area 18 00:00:32,470 --> 00:00:32,480 airborne industrial waste in one area 19 00:00:32,480 --> 00:00:34,870 airborne industrial waste in one area can litter forests thousands of miles 20 00:00:34,870 --> 00:00:34,880 can litter forests thousands of miles 21 00:00:34,880 --> 00:00:37,350 can litter forests thousands of miles away with acid rain 22 00:00:37,350 --> 00:00:37,360 away with acid rain 23 00:00:37,360 --> 00:00:40,310 away with acid rain due to our everyday activities a host of 24 00:00:40,310 --> 00:00:40,320 due to our everyday activities a host of 25 00:00:40,320 --> 00:00:43,110 due to our everyday activities a host of gases such as carbon dioxide and methane 26 00:00:43,110 --> 00:00:43,120 gases such as carbon dioxide and methane 27 00:00:43,120 --> 00:00:44,869 gases such as carbon dioxide and methane are being released into the atmosphere 28 00:00:44,869 --> 00:00:44,879 are being released into the atmosphere 29 00:00:44,879 --> 00:00:46,790 are being released into the atmosphere of the watering rates 30 00:00:46,790 --> 00:00:46,800 of the watering rates 31 00:00:46,800 --> 00:00:49,430 of the watering rates these greenhouse gases are known to trap 32 00:00:49,430 --> 00:00:49,440 these greenhouse gases are known to trap 33 00:00:49,440 --> 00:00:51,670 these greenhouse gases are known to trap heat near the surface of the earth that 34 00:00:51,670 --> 00:00:51,680 heat near the surface of the earth that 35 00:00:51,680 --> 00:00:54,229 heat near the surface of the earth that otherwise would radiate into space 36 00:00:54,229 --> 00:00:54,239 otherwise would radiate into space 37 00:00:54,239 --> 00:00:56,830 otherwise would radiate into space potentially causing serious global 38 00:00:56,830 --> 00:00:56,840 potentially causing serious global 39 00:00:56,840 --> 00:00:59,990 potentially causing serious global warming this problem has been studied by 40 00:00:59,990 --> 00:01:00,000 warming this problem has been studied by 41 00:01:00,000 --> 00:01:01,990 warming this problem has been studied by scientists for many years 42 00:01:01,990 --> 00:01:02,000 scientists for many years 43 00:01:02,000 --> 00:01:04,229 scientists for many years but never with the detail an airborne 44 00:01:04,229 --> 00:01:04,239 but never with the detail an airborne 45 00:01:04,239 --> 00:01:06,390 but never with the detail an airborne observatory can make flying at all 46 00:01:06,390 --> 00:01:06,400 observatory can make flying at all 47 00:01:06,400 --> 00:01:09,429 observatory can make flying at all levels of the atmosphere to do this us 48 00:01:09,429 --> 00:01:09,439 levels of the atmosphere to do this us 49 00:01:09,439 --> 00:01:11,670 levels of the atmosphere to do this us and canadian scientists teamed up to 50 00:01:11,670 --> 00:01:11,680 and canadian scientists teamed up to 51 00:01:11,680 --> 00:01:14,149 and canadian scientists teamed up to study greenhouse gases in the remote 52 00:01:14,149 --> 00:01:14,159 study greenhouse gases in the remote 53 00:01:14,159 --> 00:01:16,550 study greenhouse gases in the remote northern latitudes of canada 54 00:01:16,550 --> 00:01:16,560 northern latitudes of canada 55 00:01:16,560 --> 00:01:19,270 northern latitudes of canada the program called able for 56 00:01:19,270 --> 00:01:19,280 the program called able for 57 00:01:19,280 --> 00:01:22,469 the program called able for atmospheric boundary layer experiment is 58 00:01:22,469 --> 00:01:22,479 atmospheric boundary layer experiment is 59 00:01:22,479 --> 00:01:24,870 atmospheric boundary layer experiment is the third in a series of nasa-sponsored 60 00:01:24,870 --> 00:01:24,880 the third in a series of nasa-sponsored 61 00:01:24,880 --> 00:01:26,870 the third in a series of nasa-sponsored research expedition 62 00:01:26,870 --> 00:01:26,880 research expedition 63 00:01:26,880 --> 00:01:29,749 research expedition initiated in the early 80s abel will 64 00:01:29,749 --> 00:01:29,759 initiated in the early 80s abel will 65 00:01:29,759 --> 00:01:32,550 initiated in the early 80s abel will eventually study major ecosystems around 66 00:01:32,550 --> 00:01:32,560 eventually study major ecosystems around 67 00:01:32,560 --> 00:01:34,390 eventually study major ecosystems around the globe to better understand the 68 00:01:34,390 --> 00:01:34,400 the globe to better understand the 69 00:01:34,400 --> 00:01:36,950 the globe to better understand the dynamics of our atmosphere 70 00:01:36,950 --> 00:01:36,960 dynamics of our atmosphere 71 00:01:36,960 --> 00:01:39,190 dynamics of our atmosphere with the help of mcgill university a 72 00:01:39,190 --> 00:01:39,200 with the help of mcgill university a 73 00:01:39,200 --> 00:01:41,429 with the help of mcgill university a ground-based site was chosen in northern 74 00:01:41,429 --> 00:01:41,439 ground-based site was chosen in northern 75 00:01:41,439 --> 00:01:43,590 ground-based site was chosen in northern quebec that featured a forest and 76 00:01:43,590 --> 00:01:43,600 quebec that featured a forest and 77 00:01:43,600 --> 00:01:45,670 quebec that featured a forest and wetlands environment 78 00:01:45,670 --> 00:01:45,680 wetlands environment 79 00:01:45,680 --> 00:01:47,510 wetlands environment scientists from harvard and the state 80 00:01:47,510 --> 00:01:47,520 scientists from harvard and the state 81 00:01:47,520 --> 00:01:49,990 scientists from harvard and the state university of new york built a 100 foot 82 00:01:49,990 --> 00:01:50,000 university of new york built a 100 foot 83 00:01:50,000 --> 00:01:52,230 university of new york built a 100 foot tower at the forest site to sample 84 00:01:52,230 --> 00:01:52,240 tower at the forest site to sample 85 00:01:52,240 --> 00:01:54,069 tower at the forest site to sample atmospheric chemistry and collect 86 00:01:54,069 --> 00:01:54,079 atmospheric chemistry and collect 87 00:01:54,079 --> 00:01:56,230 atmospheric chemistry and collect meteorological data 88 00:01:56,230 --> 00:01:56,240 meteorological data 89 00:01:56,240 --> 00:01:58,550 meteorological data meanwhile nasa biospherics researcher 90 00:01:58,550 --> 00:01:58,560 meanwhile nasa biospherics researcher 91 00:01:58,560 --> 00:02:01,270 meanwhile nasa biospherics researcher gary whiting and assistant joel canez 92 00:02:01,270 --> 00:02:01,280 gary whiting and assistant joel canez 93 00:02:01,280 --> 00:02:03,429 gary whiting and assistant joel canez spent countless hours at the nearby 94 00:02:03,429 --> 00:02:03,439 spent countless hours at the nearby 95 00:02:03,439 --> 00:02:06,469 spent countless hours at the nearby wetlands measuring gases given off by 96 00:02:06,469 --> 00:02:06,479 wetlands measuring gases given off by 97 00:02:06,479 --> 00:02:11,830 wetlands measuring gases given off by these grass-like sedges 98 00:02:11,830 --> 00:02:11,840 99 00:02:11,840 --> 00:02:13,670 detailed studies of the marsh plants 100 00:02:13,670 --> 00:02:13,680 detailed studies of the marsh plants 101 00:02:13,680 --> 00:02:15,190 detailed studies of the marsh plants were also made by a group from the 102 00:02:15,190 --> 00:02:15,200 were also made by a group from the 103 00:02:15,200 --> 00:02:17,430 were also made by a group from the university of delaware to characterize 104 00:02:17,430 --> 00:02:17,440 university of delaware to characterize 105 00:02:17,440 --> 00:02:19,110 university of delaware to characterize their growth patterns and how they 106 00:02:19,110 --> 00:02:19,120 their growth patterns and how they 107 00:02:19,120 --> 00:02:20,869 their growth patterns and how they transport methane gas into the 108 00:02:20,869 --> 00:02:20,879 transport methane gas into the 109 00:02:20,879 --> 00:02:22,630 transport methane gas into the atmosphere 110 00:02:22,630 --> 00:02:22,640 atmosphere 111 00:02:22,640 --> 00:02:24,949 atmosphere because of their hollow stems these 112 00:02:24,949 --> 00:02:24,959 because of their hollow stems these 113 00:02:24,959 --> 00:02:27,350 because of their hollow stems these plants are very efficient transporters 114 00:02:27,350 --> 00:02:27,360 plants are very efficient transporters 115 00:02:27,360 --> 00:02:30,309 plants are very efficient transporters of methane piping the gas directly into 116 00:02:30,309 --> 00:02:30,319 of methane piping the gas directly into 117 00:02:30,319 --> 00:02:31,750 of methane piping the gas directly into the sky 118 00:02:31,750 --> 00:02:31,760 the sky 119 00:02:31,760 --> 00:02:33,830 the sky many other measurements such as balloon 120 00:02:33,830 --> 00:02:33,840 many other measurements such as balloon 121 00:02:33,840 --> 00:02:36,790 many other measurements such as balloon sawns track local winds temperatures and 122 00:02:36,790 --> 00:02:36,800 sawns track local winds temperatures and 123 00:02:36,800 --> 00:02:41,350 sawns track local winds temperatures and humidity 124 00:02:41,350 --> 00:02:41,360 125 00:02:41,360 --> 00:02:43,910 an electric aircraft from nasa's wallops 126 00:02:43,910 --> 00:02:43,920 an electric aircraft from nasa's wallops 127 00:02:43,920 --> 00:02:46,309 an electric aircraft from nasa's wallops flight facility virginia threw repeated 128 00:02:46,309 --> 00:02:46,319 flight facility virginia threw repeated 129 00:02:46,319 --> 00:02:48,470 flight facility virginia threw repeated missions over the sites 130 00:02:48,470 --> 00:02:48,480 missions over the sites 131 00:02:48,480 --> 00:02:51,030 missions over the sites seven experiments took air samples and 132 00:02:51,030 --> 00:02:51,040 seven experiments took air samples and 133 00:02:51,040 --> 00:02:53,990 seven experiments took air samples and measured various chemical concentrations 134 00:02:53,990 --> 00:02:54,000 measured various chemical concentrations 135 00:02:54,000 --> 00:02:56,710 measured various chemical concentrations dr ed browell of nasa's langley research 136 00:02:56,710 --> 00:02:56,720 dr ed browell of nasa's langley research 137 00:02:56,720 --> 00:02:58,630 dr ed browell of nasa's langley research center used an instrument that shoots a 138 00:02:58,630 --> 00:02:58,640 center used an instrument that shoots a 139 00:02:58,640 --> 00:03:01,350 center used an instrument that shoots a laser beam above and below the aircraft 140 00:03:01,350 --> 00:03:01,360 laser beam above and below the aircraft 141 00:03:01,360 --> 00:03:03,509 laser beam above and below the aircraft to plot a cross-sectional view of the 142 00:03:03,509 --> 00:03:03,519 to plot a cross-sectional view of the 143 00:03:03,519 --> 00:03:04,869 to plot a cross-sectional view of the atmosphere 144 00:03:04,869 --> 00:03:04,879 atmosphere 145 00:03:04,879 --> 00:03:07,030 atmosphere the reddish-orange colors represent 146 00:03:07,030 --> 00:03:07,040 the reddish-orange colors represent 147 00:03:07,040 --> 00:03:09,430 the reddish-orange colors represent regions containing higher concentrations 148 00:03:09,430 --> 00:03:09,440 regions containing higher concentrations 149 00:03:09,440 --> 00:03:12,949 regions containing higher concentrations of ozone another greenhouse gas 150 00:03:12,949 --> 00:03:12,959 of ozone another greenhouse gas 151 00:03:12,959 --> 00:03:16,070 of ozone another greenhouse gas studying atmospheric events from the sky 152 00:03:16,070 --> 00:03:16,080 studying atmospheric events from the sky 153 00:03:16,080 --> 00:03:18,869 studying atmospheric events from the sky and the ground giving scientists an 154 00:03:18,869 --> 00:03:18,879 and the ground giving scientists an 155 00:03:18,879 --> 00:03:21,110 and the ground giving scientists an unprecedented glimpse of the health of 156 00:03:21,110 --> 00:03:21,120 unprecedented glimpse of the health of 157 00:03:21,120 --> 00:03:24,840 unprecedented glimpse of the health of our global environment