Sentences with phrase «direct field measurements»

Direct field measurements of N2O emissions are prohibitively costly, and the use of default values can not capture variation in emissions associated with weather conditions and site - specific factors.

I don't care what * studies * you cite, these are the cold hard facts: there is no direct field measurements that empirically relates temperature and CO2.

Not exact matches

Scientists have been taking direct measurements of the field only since 1837, but mariners have been watching magnetic north far longer.

And Yoon and Ham applied an electric field at a microwave frequency, which allows for the direct measurement of the electrons» collective acceleration in the form of a phase delay in the current.

Where the nature of the study precludes direct replication by experiment, as in the case of time - dependent field measurements, it is important that the requirements include access to all the original raw data and its provenance, together with the criteria used for, and effects of, any subsequent selections, omissions or adjustments.

In this paper we present results from various field experiments demonstrating the contribution that the multi-angle multi-spectral photopolarimetric remote sensing measurements of the NASA Glory mission will make to the determination of the direct and indirect radiative effects of aerosols.

sea was converted to land and agriculture, heather fields to forests and since 1.5 century industrialization, increased population and transport... The local offset (~ 40 ppmv in Giessen, SW Germany) can be calibrated away by comparing the stomata data to direct measurements and ice cores in the previous century, but nobody knows the influence of land use changes in the main wind directions and of changes in the main wind directions themselves (MWP - LIA) in the course of the centuries.

Direct measurements of air - sea fluxes are too few to contribute directly to the compilation of the flux field on the global - scale.