Showing posts with label methane. Show all posts
Showing posts with label methane. Show all posts
Tuesday, October 3, 2017
Common Goals, Uncommon Partners
Seeking Solutions to Reduce Methane Emissions
http://environment.harvard.edu/events/2017-10-03-130000-2017-10-03-160000/common-goals-uncommon-partners-seeking-solutions-reduce
I attended in the morning.
http://environment.harvard.edu/events/2017-10-03-130000-2017-10-03-160000/common-goals-uncommon-partners-seeking-solutions-reduce
I attended in the morning.
Thursday, March 31, 2016
Monday, March 28, 2016
methane emissions
Atmospheric methane, From Wikipedia, the free encyclopedia
https://en.wikipedia.org/wiki/Atmospheric_methane#Emissions_accounting_of_methane
"... it (methane) traps 29 times more heat per mass unit than carbon dioxide ... "
Mass (Tg/a) Type (%/a) Total (%/a)
Natural Emissions
Wetlands (incl. Rice agriculture) 225 83 37
Termites 20 7 3
Ocean 15 6 3
Hydrates 10 4 2
Natural Total 270 100 45
Anthropogenic Emissions
Energy 110 33 18
Landfills 40 12 7
Ruminants (Livestock) 115 35 19
Waste treatment 25 8 4
Biomass burning 40 12 7
Anthropogenic Total 330 100 55
Sinks
Soils -30 -5 -5
Tropospheric OH -510 -88 -85
Stratospheric loss -40 -7 -7
Sink Total -580 -100 -97
Emissions + Sinks
Imbalance (trend) +20 ~2.78 Tg/(nmol/mol) +7.19 (nmol/mol)/a
https://en.wikipedia.org/wiki/Atmospheric_methane#Emissions_accounting_of_methane
"... it (methane) traps 29 times more heat per mass unit than carbon dioxide ... "
Mass (Tg/a) Type (%/a) Total (%/a)
Natural Emissions
Wetlands (incl. Rice agriculture) 225 83 37
Termites 20 7 3
Ocean 15 6 3
Hydrates 10 4 2
Natural Total 270 100 45
Anthropogenic Emissions
Energy 110 33 18
Landfills 40 12 7
Ruminants (Livestock) 115 35 19
Waste treatment 25 8 4
Biomass burning 40 12 7
Anthropogenic Total 330 100 55
Sinks
Soils -30 -5 -5
Tropospheric OH -510 -88 -85
Stratospheric loss -40 -7 -7
Sink Total -580 -100 -97
Emissions + Sinks
Imbalance (trend) +20 ~2.78 Tg/(nmol/mol) +7.19 (nmol/mol)/a
Monday, February 29, 2016
stevenlevymath: Pie chart showing methane leaks
Click for video
By Glen Dillon - Own work, CC BY 3.0, https://commons.wikimedia.org/w/index.php?curid=4618400
An odourant injection station at MLV7 (main line valve) near Dampier, where Butanethiol is added to the natural gas inside the Dampier to Bunbury Natural Gas Pipeline
Deepsea Delta oil drilling rig in the North Sea.
Photo: Erik Christensen
GNU Free Documentation LicenseDeepsea Delta oil drilling rig in the North Sea.
Photo: Erik Christensen
By Audriusa (Audrius Meskauskas) - Own work, CC BY-SA 3.0, https://commons.wikimedia
pipeline
Hi Steven,
It does appear this is an old fact sheet. The most up to date methane emission numbers can be found in this blog:
EPA Draft Says Oil & Gas Methane Emissions Are 27 Percent Higher than Earlier Estimates by David Lyons
Methane Leaks by Environmental Defense Fund
Reference: Methane leakage from natural gas operations
stevenlevymath: Pie chart showing methane leaks
Pie chart showing methane leaks. Data from the Environmental Defense Fund. http://www.edf.org/
Publication: Methane leakage from natural gas operations
Tags: climate change, methane, pie chart, math, stevenlevymath
Sunday, November 8, 2015
Graphic Illustrations for the UN Livestock's Long Shadow Report
stevenlevymath presents: Video Illustrations for the UN Livestock's Long Shadow Report. The videos are meant as a starting point in understanding the chapter.
http://www.fao.org/docrep/010/a0701e/a0701e00.HTM
Food and Agriculture Organization of the United Nations
http://www.fao.org/home/en/
Videos for:
=========================================
Production Notes:
Dec.24, 2015: Using Audacity I "fixed" the sound. Here are the steps: First "Noise Removal".
Apply "normalization."
"Equalization", AM Radio profile, use flatten
"Compression". Make softer louder. and Louder softer.
"Normalize again".
=====================================
http://www.fao.org/docrep/010/a0701e/a0701e00.HTM
Food and Agriculture Organization of the United Nations
http://www.fao.org/home/en/
Videos for:
=========================================
Title: stevenlevymath: UN "Livestock's Long Shadow", Executive Summary Illustrations
Description: Easy to understand pie charts, animated drawing
Tags: math, agriculture, climate change, livestock, methane, UN
Content Area : Mathematics | Subject : Grade 6 | Category : Ratios & Proportional Relationships | Skill : RP.6.3.c
=========================================Description: Easy to understand pie charts, animated drawing
Tags: math, agriculture, climate change, livestock, methane, UN
Content Area : Mathematics | Subject : Grade 6 | Category : Ratios & Proportional Relationships | Skill : RP.6.3.c
Production Notes:
Dec.24, 2015: Using Audacity I "fixed" the sound. Here are the steps: First "Noise Removal".
Apply "normalization."
"Equalization", AM Radio profile, use flatten
"Compression". Make softer louder. and Louder softer.
"Normalize again".
=====================================
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