earth science
gregladen | September 15, 2015Climate Change: Discover How It Impacts Spaceship Earth (Build It Yourself) covers many concepts in earth science, from paleontology to climate systems to how to make a battery out of apple (how can a kid's science activity not include the apple battery!). This book represents an interesting concept, because it involves kids in mostly easy to do at home projects, covers numerous scientific concepts, and takes the importance of global climate change as a given. There is a good amount of history of research, though the book does not cover a lot of the most current scientists and their key work…
gregladen | September 9, 2014Climate Smart & Energy Wise: Advancing Science Literacy, Knowledge, and Know-How by Mark McCaffrey is a book written primarily for teachers, to give them the information and tools they need to bring the topic of climate change effectively to their classrooms. It addresses the Climate Literacy and Energy Literacy frameworks, designed to guide teaching this important topic.
The book provides basics on climate and energy, approaches to teaching about climate and energy, and of special interest for teachers, syncing the topics with existing standards. The main point of the book is to get…
gregladen | February 8, 2012Rumors have been in the air for days, but we now think it confirmed that Russian Scientsts have penetrated the liquid part of Antarctica's Lake Vostok. The lake has been frozen over for something like 20 million years. Certainly there was life in it at the time. Is any of it still there? Has something new evolved? Just as interesting is question of paleoclimate data preserved, we hope, in the sediments at the bottom of the lake. The top section of the lake's bottom probably contains sediments that have formed over the last 20 million years, in the ice-bound southern lake, but below that…
gregladen | February 8, 2012If all the water currently trapped in all the glaciers across the entire world melted, the sea level would rise far more than most people imagine. Almost everyone living anywhere in the world at an elevation of below about 500 feet with a direct drainage to the sea would be directly affected; The sea level rise itself might be a bit over 300 feet, but oceans tend to migrate horizontally when they rise onto previously uninnundated land surfaces. So if you lived at 500 feet above sea level in most of Maine, you'd have a much shorter walk to the rocky shoreline, but if you lived at 500 feet…
gregladen | January 17, 2012
Gleick is the new board member of the National Center for Science Education.
gregladen | January 7, 2012In a world first, University of Queensland and CSIRO scientists have measured the relationship between current climate, climate change and habitat loss on plants and animals on a global scale.
Their results, published recently in Global Change Biology indicate that areas with high temperatures and where average rainfall has decreased over time increase the chance of a species being negatively affected by habitat loss and fragmentation.
"Human population growth has caused significant habitat degradation across the globe, typically in support of agriculture and urban development," lead…
gregladen | December 7, 2011I'm enjoying James Lawrence Powell's book "The Inquisition of Climate Science" Powell's book specifically addresses the clilmate change denialist movement and the global warming deniers themselves, and does so severely. He documents and discusses who is paying for climate change denialism documents the lack of scientific credenntials of the denialists, and outlines and describes in detail events such as "climate gate."
The book is exceptionally well documented and could actually be used as a supplementary text in a class on science policy or science and society.
Author's bio from the…
gregladen | November 22, 2011For now, a press release. More later:
WASHINGTON (Nov. 22, 2011)--In an apparent effort to discredit climate science, hackers again posted stolen emails from leading climate scientists online today, just days ahead of a United Nations climate meeting. According to the University of East Anglia in the United Kingdom, the emails released today are part of the same batch that was stolen from the university years ago. Only some of those emails were released in November 2009. Since then, multiple investigations exonerated scientists who had their emails stolen of misconduct.
"These leftover…
gregladen | November 14, 2011Hot off the presses (stolen summarily from Here). This land temperature anomoly video showing both the growth of the global dataset and global warming was shown by the BEST group to Congress just a few moments ago.
gregladen | November 11, 2011Here's the talk:
And here's the web site.
Eventually, there will probably be a book.
gregladen | October 26, 2011You'll remember that I recently wrote up Shawn Otto's talk at The Loft. The talk was filmed and is now a major motion picture!
Now that you've seen the talk, here's your list of things to do:
Buy the book here.
Sign on to Science Debate.org here
Sign the American Science Pledge here
Join the Republican Party. Oh, and the NRA too!
gregladen | October 20, 2011Urban areas can be warmer than surrounding non-urban areas because there is a lot of combustion, pavement and other structure can collect solar heat and retain it for a while, and other factors. It is not uncommon to look at a weather map where conditions for precipitation are marginal, and everywhere but the urban zone, or only the urban zone and nothing else, is showing a weather phenomenon. Because people and airports (where weather is very important) are located in or very near urban areas, it stands to reason that a lot of the data used to estimate global temperatures would be affected…
gregladen | October 19, 2011
Fool Me Twice
Fool Me Twice: Fighting the Assault on Science in America" was officially released last night in Minneapolis with appropriate fanfare and celebration. Everyone who gets to know Shawn likes him from the start and quickly learns to respect him and eventually hold him with a certain amount of well-earned awe, and like any book, we've all seen this one coming for quite some time. (I have an old pre-release copy in which every page is "00" but, surprisingly, the front cover is just like the final form.)
Shawn gave a talk at the release party, but since he is held in such high…
gregladen | October 10, 2011My first job as an archaeologist in Boston (having moved there from New York) had to do with Deer Island, the northern of two islands that separate Boston's Inner and Outer Harbors. The actual archaeology was uninteresting but the historical research was fascinating. Among the things I learned is that Boston's Inner Harbor regularly froze over. It no longer does. When the Continental Army placed the British in Boston under Siege at the beginning of the Revolution, the idea of holding off an assault until the harbor froze over was routine. No one expected the harbor to not freeze over.…
gregladen | September 22, 2011The first global map of the salinity, or saltiness, of Earth's ocean surface produced by NASA's new Aquarius instrument reveals a rich tapestry of global salinity patterns, demonstrating Aquarius' ability to resolve large-scale salinity distribution features clearly and with sharp contrast. NASA/GSFC/JPL-Caltech
One of NASA's newest Big Sci machines has generated a high quality map of ocean salinity. It is still preliminary and a few months of calibration is needed, but soon enough Aquarius will start monitoring ocean salinity on an ongoing basis.
Ocean salinity is important because it…
gregladen | September 19, 2011In order to do good climate science, you have to understand and control for the sources of variation in the system. In any system that involvs metric change over time, there are four sources of variation:
1) Measurement or observational error (goofs, inaccuracies, bad calibration). The speed was 23 feet per second but the instrument read 22.5 or the observer wrote down 32 by accident, etc.
2) Internal (secular, natural) variation. If A causes changes in B over time, variation in B that would have happened anyway don't count in understanding the A-B link.
3) Causal relationship (causal…
gregladen | September 19, 2011I want to say a word about what a proxyindicator is. And isn't.
I noticed that the term is not in some, perhaps many, dictionaries, so I guess this leaves me free to do what I want with it! But wait, the term "proxy" is of course in the dictionary. It is an ancient short version of the word "procuracy" which is the authority to act for another. Thus, a proxy vote. Proxyindicator (or proxy indicator) is a term widely used in climate science though it is used in many other fields as well to refer to a measurement that is indirect, or more accurately, that stands in for the direct measurement…
gregladen | September 6, 2011You all know about the latest dustups and new research related to climate change, including the resignation of the Editor-in-Chief of a major journal as well as some new papers about global warming. There has been so much activity over recent days that I thought a new link farm would be a good thing. So, here it is. Please let me know if I've missed anything!
07-29-2011
On the Misdiagnosis of Surface Temperature Feedbacks from Variations in Earth's Radiant Energy Balance
09-02-2011
Opinion: The damaging impact of Roy Spencer's science
In his bid to cast doubts on the seriousness of…
gregladen | September 6, 2011The question of whether clouds are the cause of global warming has been settled:
No, they are not.
The question was raised in July in a paper by Spencer and Braswell, published in the Peer Reviewed Journal Remote Sensing called "On the Misdiagnosis of Surface Temperature Feedbacks from Variations in Earth's Radiant Energy Balance." (See this.) Spencer and Braswell's paper claimed that the Earth's temperature was not really rising due to fossil carbon in the form of CO2 being pushed into atmosphere. Rather, they said, any variation we see in global temperature is a result of natural…
gregladen | September 4, 2011On the face of it, it is impossible. Cosmic rays vary over time, and climate varies over time, and the two variations do not correspond. Global temperature has been going up over the last century, in correspondence with increased of atmospheric CO2, and this makes sense because the physics says that CO2 is a greenhouse gas, and this whole global warming thing is a greenhouse effect. Bringing cosmic rays into the situation seems both unnecessary and difficult to do.
But it turns out that there is a cosmic ray - climate connection which is interesting if it turns out to be true. But this…