Sentences with phrase «aircraft measurements over»

Alaska Arctic Tundra CH4 Flux Study — Impacts of AGW / CC Published 8 - Jan 2018 Estimating regional - scale methane flux and budgets using CARVE aircraft measurements over Alaska Conclusions Analysis of CH4 column enhancements supplemented by simulated atmospheric transport allowed us to estimate the monthly - mean CH4 fluxes from our study domain (50 — 75 N, 130 — 170 W).

Howarth places heavy weight on the value of an analysis of satellite measurements, saying it provides better data than aircraft measurements over a longer period of time.

Not exact matches

Aircraft measurements published last year also showed plumes of high methane concentration over the Arctic ocean (Kort et al 2012), especially in the surface boundary layer.

Various methods collect data at different scales: Chamber measurements collect data over square - meter areas, tall towers and aircraft observe larger areas, and satellites (e.g., Greenhouse Gases Observing Satellite, or GOSAT) observe areas larger than a square kilometer.

Though ground and aircraft sensors provide the most accurate measurements of carbon monoxide for a localized area, satellites offer the best way to monitor wildfire emissions over broad regions, particularly in remote areas where there are fewer ground - based instruments.

A few groups have attempted to construct sea ice estimates for the pre-satellite era using various combinations of land, ship, submarine, buoy and aircraft measurements made over the years, e.g., the Chapman & Walsh dataset or the Zakharov dataset (Note that the server for the Zakharov dataset is not always online, so the link sometimes doesn't work).

Measurements with commercial aircraft could provide good data coverage over much of the globe.