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Ridgefield, Washington
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Kevin, occasionally "Guest Bloggers" have posted segements on the Arctic Sea Ice Blog with Neven's approval. Maybe some of the scientists and/or Arctic Sea Ice or Green;and experts could contact Neven and write some appropriate articles? I miss the updates here as well.
Toggle Commented May 22, 2020 on PIOMAS December 2019 at Arctic Sea Ice
Dahr Jamel participates in a number of videos that may be of interest to some of you. I leave you with just one link; these videos are readily available on Youtube. Thank you Neven for this very informative resource.
Toggle Commented Jul 16, 2019 on Comparing at Arctic Sea Ice
Sam, your reasoning about liberals and conservatives is spot on. It is so frustrating at times. Evidence and logic seem out the window with some because "God will save us." I didn't know about the difference in brain structure though; thanks for that. Vaughn
Toggle Commented Jul 7, 2019 on June 2019, one hell of a month at Arctic Sea Ice
I have mentioned the Air Pollution in World: Real-time Air Quality Index Visual Map previously on this blog. One thing that I have particularly noticed is how much cleaner the air over China has become during the past 4 years. Yes, the air is cleaner in the summer but when I have compared seasonal data the winter data shows dramatic improvement with improvement during all seasons (sorry I do not have access to previous data at this time.) Might this cleaner air also be a contributing factor to the heatwaves this summer? I also need to mention the Arctic Sea Ice Forum for the continuing discussion on this topic:,1384.0.html
Toggle Commented Aug 5, 2018 on Aerosols and Arctic sea ice loss at Arctic Sea Ice
Thanks again Wayne, I have seen the "green flash" once and have a little familiarity with that. National Geographic published some photos with some rudimentary explanations (compared to your explanation) a number of years ago. I do have a Master of Arts in Teaching degree but that doesn't mean I know much. I mostly taught plant science and applied math to high school students in Washington State. I have been reading Neven's Blog and "The Arctic Sea Ice Forum" since the early days of these being published. Both are certainly a wealth of compelling information. I don't comment very often because usually I don't have too much to add. I think we are in big trouble with "Ma Nature" although most people I know are not as concerned as many commenters on this blog. The graphs published here are about the best I have ever seen and they are here in one place. One type of graph I draw for myself are cause-effect "s" curves that illustrate delayed reactions on the same coordinate plane. Keep up the great work, Vaughn
Toggle Commented May 3, 2018 on PIOMAS April 2018 at Arctic Sea Ice
Wayne, thanks for your explanation of how refraction works...stuff I didn't even know that I didn't know. Very cool..
Toggle Commented May 2, 2018 on PIOMAS April 2018 at Arctic Sea Ice
James, The maximum photosynthesis rate for most C-3 plants occurs near 30C or 86F. Most of the plants that grow in the world outside of tropical regions are C-3 plants. Cactus are an exception as they have a different metabolic pathway(CAM). C-3 plants have an enzyme, rubisco, which catalyze one of the steps in the photosynthesis/respiration reactions in chlorophyll. Tropical plants plus corn and some grasses are C-4 plants which have maximum photosynthesis at slightly higher temperatures and have better water retention as well. For C-3 plants during daylight hours respiration rates increase above 30C and eventually when it is hot enough exceed photosynthesis rates. This means during hotter weather plants respire faster than they photosynthesize. The exact temperature where this occurs varies for different plants. See the following: also: The two links above explain things pretty well. The bottom line is that during hot weather many plants are dumping carbon dioxide into the atmosphere instead of oxygen. They are also respiring faster at night dumping even more carbon dioxide into the atmosphere. If the temperature stays too hot for too long many plants will eventually starve to death and die if they have survived drying out from being too hot. This is a relatively complicated process so the above explanation is way oversimplified. So, in many parts of the world plants will not grow faster as the world warms, in fact, many plants could be killed by too much heat by drying out or simply die of starvation.
Toggle Commented Apr 25, 2018 on PIOMAS April 2018 at Arctic Sea Ice
Sam, it appears that China is retiring some of the dirtiest coal plants and is on track to move away from coal for the most part. They are also moving away from ICE cars as well, thereby reducing emissions of sulfates and aerosols. Might this be one of the reasons for the refusal of global temperatures to fall very much since the last el nino? How much do sulfates and aerosols affect temperature? I am thinking that incoming sunlight is reflected back into space by these substances before it reaches low altitudes thereby preventing some warming. Just how much effect they have is what I am not sure about.
Toggle Commented Apr 12, 2018 on PIOMAS April 2018 at Arctic Sea Ice
While arguing politics is likely pointless, there is an excellent running record of scientific evidence presented on this blog and the ASIF which explains the condition of the Arctic in an understandable manner for most of us amateur scientists or as I may say "lay scientists." It is compilations such as these that eventually will help "sway the masses," at least IMHO. Many thanks to Neven and everyone else who contributes to this blog and the ASIF.
Gerald, what you say is logical and I would normally consider it sound advice. However, please consider the adversaries(I really want to say morons, however, they have an agenda of greed from chaos, IMHO.) That means there needs to be a type of interference in their agenda that costs them large amounts of money and might prevent the adversaries from doing much of what they want to do. I just don't see much to lose with this type of battle because the alternative, again IMHO, is disastrously worse.
Robert Scribbler has also written an article about GovernorJerry Brown's vow to fight Trump's war on science: To Carry a Light into Darkness---California Governor Jerry Brown Promises to Fight Like Hell Against Trump's War on Science Governor Brown is "right on."
Jim, thanks for the guest blog. It is refreshing to hear an important politician rise up against the Trump policies and set policies to combat climate change. Governor Jerry Brown from California tells it as he sees it, and explains his policies to reduce emissions of CO2, methane, and other greenhouse gasses and pollutants. The video is 21 minutes long. Jerry Brown is definitely going to be a thorn in Trumps backside.
I need lessons on importing graphs. Maybe somebody can get this one from NOAA: and/or In 1700 it looks like CO2eq was 270ppm and virtually all CO2. Now CO2eq is 490ppm. Sam, another poster here has CO2eq pegged at 527ppm if ozone is included. More of a telling tale than just CO2.
Toggle Commented Dec 7, 2016 on PIOMAS December 2016 at Arctic Sea Ice
"I've considered many times to start a second blog to present the house (its strengths and flaws) with some numbers attached, and then do the same for the garden." --Neven I have followed your blog since its inception and the educational value to me has been very substantial. I look forward to a blog about gardening. I have been organic farming since I was a kid and that was back when there was talk about global cooling that was not coming from wing-nut jobs. I have done both dairy and gardening; I have taught high school horticulture for the past 16 years so I have hopefully learned a few things. There are many things yet for me to learn about gardening, however, my garden has been very successful over the years. Hopefully I can contribute in this area a bit. A blog about the house would also be great. I want to add solar power and make some other improvements as well. It would be nice to see by example how to be more environmental friendly.
Toggle Commented Dec 5, 2016 on Sabbatical (I hope) at Arctic Sea Ice
In the third line "Never" should be "Neven" I need to turn off autocorrect.
Toggle Commented Dec 1, 2016 on Sabbatical (I hope) at Arctic Sea Ice
Martin, thanks for linking to Chris Mooney's article about Neven and the Arctic Sea Ice Blog. The article is rich with well deserved accolades for Neven and the entire Arctic Sea Ice community. Never also seems to have a much wider sphere of influence that I realized. As Glenn says, possibly some of the most knowledgeable members of this community can make some guest posts to continue this wonderful education experience for the readers/members of this blog. There are 2 appropriate quotes that come to mind about Neven and the Arctic Sea Ice Blog: Never doubt that a small group of thoughtful committed citizens can change the world. Indeed, it is the only thing that ever has. – Margaret Mead, Anthropologist Education is the most powerful weapon which you can use to change the world. – Nelson Mandela So, in that vein, Neven, may you time away from this blog be productive and fulfilling. You deserve a break. The education of this blog and the Arctic Sea Ice Forum will continue.
Toggle Commented Dec 1, 2016 on Sabbatical (I hope) at Arctic Sea Ice
Personally, I find the "cyclemongers" informative, interesting and educational. One thing I also "read" from their posts is, "Will the cycle continue next year?"
Toggle Commented Nov 28, 2016 on Sabbatical (I hope) at Arctic Sea Ice
Thanks Bill, I was wondering why water vapor was left out. What you say explains that.
Toggle Commented Nov 22, 2016 on PIOMAS November 2016 at Arctic Sea Ice
Neven, yes I remember when Patrick and you more or less worked together. A lot of good has come from that. Consider the popularity of this blog and the Arctic See Ice Forum. If anything is going to save the world it is forums like these. You have created something that now has a life of its own. You have done amazing things which will continue to educate me plus all the readers of these forums. As for growing food, I do that too. I grow more than I can eat myself so I give or trade it to neighbors for different garden stuff. I dehydrate and can vegetables and fruit. I feel fortunate that I do this and I hope you will too. So enjoy your time away from here when you can be away. Thank you for facilitating the information that flows here and sharing your knowledge of Sea Ice and climate principles.
Toggle Commented Nov 21, 2016 on Sabbatical (I hope) at Arctic Sea Ice
Sam, NOAA has CO2eq at 485 ppm at the end of 2015. They also may use slightly different data values than CDIAC which could explain some of the difference. NOAA also does not include tropospheric ozone which looks to be most of the difference. This is reasonably close and supports what you are saying. This does not include water vapor either which has also increased some. I believe the 520 or 527 ppmCO2eq sounds reasonable.
Toggle Commented Nov 21, 2016 on PIOMAS November 2016 at Arctic Sea Ice
"I'm just going to sit back and watch now. It should be quite interesting to see how the chartic curve ends up by January." NeilT, I hope you keep posting. I find your insights important to combat the "stupidity" in my world. I have several converts and I am working on some more. Your help is greatly appreciated. Patrick, good to hear you are posting again!
Toggle Commented Nov 18, 2016 on PIOMAS November 2016 at Arctic Sea Ice
Climate denial extremists consistently demonstrate their lack of understanding/knowledge of quantum physics and natural earth systems...not sure there is too much more to say on that topic. What is truly scary is the temperature north of 80 degrees that DMI is reporting. As best I can tell it is 268K just -5C. It looks like the average is 248K or -25C. That is a whopping 20C above average. Ice will not thicken very fast at that temperature. In my neck of the woods(Western Washington State by Oregon) average high temperatures are about 10C of 50F this time of year. This kind of anomaly here would put the temperature at 30C or 86F. Scary indeed.
Toggle Commented Nov 17, 2016 on PIOMAS November 2016 at Arctic Sea Ice
"Well, as you know, IMO the 2016 vs 2012 ballgame is more important than the tiny local contest of Donald vs Hillary. Now I should insert tons of baseball metaphors and idioms, but I never understood the rules." viddaloo, I completely agree. Only a few governments of the world are currently facing the climate ballgame. Donald is ignoring climate change right now. I don't make many predictions, but the hair on the back of my neck is standing up a bit. I predict that Donald will face climate change square in the face if he survives the next several years. It will not be because he wants to either. "Ma Nature" will send the bill. It might go something like this: Ma Nature: "Miami, New Orleans, and Houston are flooded and Phoenix is too hot to be survivable, pay up and deal with it." Donald: "No." Ma Nature: "Whatever; also this is only the first installment, and by the way, Nigeria, Thailand, and Haiti need a $trillion each to help move their people. You won't forget them will you?" Donald: "Uhh." Ma Nature: "Yep deal with it." Etc. (Okay it probably won't go quite like this but I believe there will be some major events in the not too distant future for Donald to work on.) Neven, Thanks for your years of writing and moderating this blog. I have learned more about climate, politics, and consequences of inaction than from any other source. Hopefully you can continue in some capacity and/or partly pass the torch to another competent person to continue this dialogue. Wow! It's been quite a "rollercoaster' ride, only destined to get more dramatic. I hope your new journey is as fulfilling as this part has been.
Toggle Commented Nov 9, 2016 on PIOMAS November 2016 at Arctic Sea Ice
"I can live with an ice free arctic better than the starvation of billions of people." Robert, An ice free Arctic will likely directly cause the starvation of billions of people. If not for lack of food, then things like flooding, fires, political unrest, etc. will lead to tremendous turmoil. As a gardener/horticulturist I see many more destructive insects after a warmer than normal winter. Some people may like the feel of a warmer winter, but when they are starving it will be too late to do anything about it. Hotter summers will kill many crops. During the daytime 30 degrees C is the generally accepted temperature of the maximum photosynthesis rate for C-3 plants. C-4 plants like corn and many tropical plants tolerate temperatures a few degrees warmer. Above 36 degrees C many/most C-3 plants are respiring faster than photosynthesizing so they starve to death. Warmer nighttime temperatures cause plants to respire faster at night as well, thereby leading to their starvation even faster during hotter weather. More heat causes more evaporation so soils dry out faster. Change in rainfall patterns does not help either. Things do not look good with an ice free Arctic.