Sentences with phrase «measured by airplanes»

Not exact matches

Everywhere I travel in the U.S., I see a boom as measured by the lack of open seats on airplanes, sold - out hotels and crowded restaurants, not to mention the almost out - of - control construction activity in every city.

Graven HD, Keeling RF, Piper SC, et al., 2013, Enhanced Seasonal Exchange of CO2 by Northern Ecosystems Since 1960, Science, Vol: 341, ISSN: 0036 - 8075, pages 1085 - 1089 (the amplitude of the seasonal vegetation effect measured aboard planes (3 km to 6 km) has, north of 45 ° N grown by 50 % w.r.t airplane observations carried late 1950s beginning 1960s.)