Sentences with phrase «emission lines within»
The complete disappearance of flash - ionized emission lines within the first several days requires that the dense CSM be confined to within ≲ 1015 cm, consistent with radio non-detections at 70 — 100 days.
http://www.nature.com/ Not exact matches
The German Aerospace Center (DLR) measures such emission lines with high precision within the US - German SOFIA project.
Three images, left to right, of the same thundercloud depict a less - than -10-milliseconds-long sequence of events: (left) formation within the cloud of a small channel, or «leader,» of electrical conductivity (yellow line) with weak emission of radio signals (ripples), to (middle) a burst of both dark lightning (pink) and radio waves (larger ripples), to (right) a discharge of bright lightning and more radio waves.
The grim bottom line (for those emerging from recently melted ice caves): Bring carbon dioxide emissions under control within the next few years or face serious consequences, including rising sea levels, reduced agricultural productivity and a global economic downturn.
Within nations, addressing climate health impacts is a matter of weighing upfront versus deferred costs — that is, deciding to spend money to reduce emissions and pursue sustainable development or spending more money many years down the line to contend with disease, persistent flooding and an overwhelmed health sector.
Intensity targets are only eligible when they lead to absolute emission reduction targets in line with climate scenarios for keeping warming to within 2 °C or when they are modelled using an approved sector pathway or method by the Science Based Targets initiative (e.g. the Sectoral Decarbonization Approach).
No emission / absorption lines in co2 reach space from the surface or even within the troposphere, only at or very near and above the tropopause.
Having gone through the rigorous process of having their targets validated, these companies offer their stakeholders — their investors, buyers and customers — the assurance that will act to address the largest sources of emissions within their operations, and offer a credible pathway in line with the goals of the Paris Agreement.