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Topics in land use, culture, and nature.
When I was in the field of astronomy, I studied both comets and some of the most distant objects in the universe, high redshift radio galaxies or HZRGs. The two object types are at opposite ends of the distance scale, but can be said to be connected in this weird way. A term that was…
And also, art history. Richard Feynman said that unless you can explain something simply, you don’t really understand it. That’s the idea here, if you approach understanding things from fundamental principles and physical laws, you can develop an intuitive understanding of complex natural processes. With that in mind let’s consider the topic of the north…
Being from Wisconsin, I just have to. Right now we’ve got a lot going on. And it may be part of a pattern. In the east Pacific, Tropical Storm Elida is spinning away obliquely towards northern California. It’s not supposed to have much strength if it does encounter the California coast, even now it has…
Or, how I learned to hike with others. This is a post about backpacking with teenagers in the high Sierra Nevada. It might be of interest to beginner backpackers and thru hikers alike, as well as those interested in backpacking with kids in mountainous terrain. Here’s the short summary, the ES, since you want that…
The climate alarmists are agog about the cold region in the north Atlantic, as evidence of a failing AMOC current. Now, I’m not an oceanographer, but I have discussed the science of thermal uptake here, and I should review the literature about the AMOC, but I was under the impression that weakening of the AMOC…
copyright Graham Paul Knopp 2026 It’s really difficult to put these two words in the same sentence. Houston is infamous for its lack of urban planning. Now, planning has been a subject of study for some time now, more than a minute. It became a formal study when I prepared for the American Institute of…
It’s late February and the sea surface anomaly map looks like this. Yes, this is starting to get serious. Let’s update a few other maps in this post. Like drought. Here’s the USA, and the much less important (irony alert, just to be sure), rest of the world. Not a great picture, but look at…
Observing the global drought monitor, it appears that much of the world is in drought. International | Drought.gov There are significant parts of Europe, central Asia, Africa, South America, and North America in significant drought (D3 or worse). While the USA drought map shows somewhat improved conditions in recent weeks, particularly in California, the situation…
Have a gander at the GoogleEarth image below, in which the Texas-New Mexico border runs down the middle. The difference in color, due to irrigation for crops, is the important thing here. Texas law permits essentially unregulated groundwater withdrawals while New Mexico law does not permit this. Underlying this area is the Ogallala Aquifer: The…
The huge amount of misinformation around 3I/ATLAS is annoying. Let’s stick to the facts. The 3I/ATLAS radio “signal” was from a radio observatory and detected OH in absorption in the bounced signal, which is what one expects for a cometary object. The object is still very strange, of course, given the trajectory alone, which is…
Graham Knopp's Blog 