div class=trans-pagebutton class=gotoPage data-page=1Page 1button div class=trans-imagea href=https:reader042fdocumentsnetreader042viewer202201272361b4c7935d63b127d92b0e10html5page1jpg target=_blank img data-url=documenttime-series-of-12co-and-13co-at-northern-mid-latitudeshtmlpage=1 data-page=1 class=trans-thumb lazyload alt=Page 1: TIME SERIES of 12CO and 13CO at NORTHERN MID-LATITUDES loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAQAAAC1HAwCAAAAC0lEQVR42mM8Uw8AAh0BTZud3BwAAAAASUVORK5CYII= data-src=https:reader042fdocumentsnetreader042viewer202201272361b4c7935d63b127d92b0e10html5thumbnails1jpg width=140 height=200 adivdiv