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Wednesday, 27 May 2026

Climate & ecological emergency (CEE) from global to local

David Brower, founder of Friends of the Earth, 1970s environmental slogan “think globally, act locally” needs to be recast ½ c. later to “think globally, observe locally” in order to better act locally: that is why I push Citizen Science  thru this blog & provide tools, say, to build your own maps here; see the banner map on the desktop not mobile blog here

I bird-dogged the increased flooding thru SusCott in East Anglia prior to joining Extinction Rebellion (XR) then starting & morphing Cambrdgeshire.ai (here) five years ago. I'm a geologist who was paid, after all, to observe, assess & interpret, see opener here:

... a geologic principle [is] that small-scale features - the texture of a rock fragment at left - reflect much larger ones - local land form at right to entire mountain chains - within a knowledge framework...

Flysch sample & outcrop, Gan, SW FR (Greg Zolnai, 1984)

Here is a WhatsApp chat with an old XR friend re: the late return of swallows, swifts & house martins - I myself remember the return of the swallows in San Juan Capistrano (here) when living in So. Cal. - these are photos taken recently at the Château de Pau in SW FR, swifts(?) in close-up at top:


click to enlarge (may be slow)

click to enlarge (may be slow)

"In Pau SW FR they're almost a month late, I think they were kept south by the Arctic air mass swept southward, when an anticyclone stalled over the No. Atlantic last couple weeks.

Saw the same at 90° exactly  40 yrs. ago, "the summer that never was" - 40 frost-free days in Calgary, W CAN & snow never left the ground in the high Arctic I was at that summer [see also here] - brant geese were swept far W from Greenland by the same sort of stalled anticyclone,  except they were on its W side of it then (the last week's cold here was E of the current anticyclone).

That's cold air drawn S from Arctic down the E side of the anticyclone stalled over the N Atlantic. We usually say "le fond de l'air est frais" (the air is cool in the background) in the spring, but here's it's the opposite with a cold breeze stirring warmer ambient air... it still lingers in the current 32°C 90°F heatwave cooled to 27°C 80°F by remnant cool air still blown about... That heat wave is now caused by that anticyclone stalled over NW Europe now!

Cold air like humid air is dense and creates "conveyor belts", hence its sharpness last couple of weeks. Worst conveyor belt was Tropical Storm Debby in 2024. The air was so saturated & heavy that it failed to deflect NE at the coast as per normal, and continued straight on NW over the Appalachian Mountains: at altitude it dumped its super-saturated humidity & heavily flooded the valley bottoms; that never had happened historically, so the infrastructure was all in the wrong places, and valley bottoms were devastated. My cousins were lucky as they lived halfway up the mountainside.

CEE is not so much the higher even the more wildly variant temps etc. It's the fact it takes millions of years for plants to adapt & millennia for civilizations to settle in the right places, centuries even to move. It's violent weather like floods and storms that extend into fall / spring & disrupt vegetation / infrastructure: what took centuries before now take just decades to change... Ergo asynchronous processes with no chance to catch up never mind adapt!

I think trees are deciduous wintertimes for two reasons: a) less light means lesser sacrifice for chlorophyll to function; b) no leaves mean storms blow thru trees without toppling them. Today however, not only do storms occur in leafier fall & spring, but soil is also more saturated from increased rain & flood: this means double-trouble with leaves catching the wind & roots not gripping firmly; that in turn disrupts nesting - there was a lost generation of swifts in East Anglia 5 yrs. ago around spring floods - it also disrupts the synchronization among flowering / bugs / nesting stressing bird life in fields & gardens." [I lived then at the edge of a village just N of Cambridge UK.]

These observations are not scientific, but they do point to link the local with the global as per intro. This has been recently suggested by the call for an integrative approach to study the CEE. "Matching climate to biological scales" (Trends in Ecology & Evolution) asks ecologists and evolutionary biologists to consider how organisms experience climate rather than how weather stations record it when doing climate–biology research.

click to enlarge

One useful outcome following my anecdote could be to study how climate change is causing "phenological mismatches" among flowers, insects, and birds to disrupt pollination and spring food webs. Perplexity AI:

"Climate change is shifting the timing of flowering, insect emergence, and bird migration at different rates, so food and pollination links no longer line up as well. That can reduce pollination, leave insects or birds short of food, and weaken spring growth and reproduction.

What is decoupling?

Plants often respond to warmer temperatures by flowering earlier in spring, while insects and birds may shift their timing too, but not always by the same amount or in the same direction. When these schedules drift apart, flowers may bloom before pollinators arrive, or birds may arrive after peak insect abundance.

Why it matters in spring

For flowering plants, successful reproduction depends on pollinators being present at the right time. For birds, especially migratory species, success can depend on insect peaks or other seasonal food resources that now may be earlier or shorter-lived.

Typical effects

    • lower pollination success when insects miss the flowering window.
    • reduced food availability for birds if insect outbreaks or fruiting periods shift.
    • broader stress on ecosystems because interactions across the food web become less synchronized"

Saturday, 23 May 2026

AI drew Lagrange Points in a jiffy

 Astrodynamics published here a new route to the moon that saves fuel & avoids comms break when moon lies between Earth & spaceship. 

It uses a Lagrange point of equilibrium between two planets where an object can be left w no energy needed to keep it there. The James Webb Space Telescope (JWST Wikipedia) is the best known at L2 w the Sun, the new lunar route the L1 in Earth Moon pair.

I first heard of it decades ago in Peter F. Hamilton's Commonwealth Saga (Wikipedia): Joshua Calvert, nicknamed “Lagrange” Calvert in the Night’s Dawn trilogy became famous for risky navigation and jump travel associated with Lagrange-point maneuvers (Perplexity).

Wednesday, 20 May 2026

Exhuming my thesis, part V

 This follows on Part IV with further AI investigation in GIS that created the maps in previous Parts. This is also an update on my Community Engagement series ending here. Our non-profit has an opportunity to re-engage GIS & AI after my partner attended an AGI meeting on same. I plan to repatriate to pursue this, stay tuned.

We decided to pursue AI offerings on QGIS as it's free - my other account off maintenance curtails my access to AI tools - and the prognosis looks good. First I did a review of what's available in Google Gemini here. The update esp. the closing caveat were particularly useful.

click to enlarge

Monday, 16 March 2026

Blog-hits top a million since Sept. 2009!

Is reaching this milestone not fitting on the blogs 15th anniversary? The 20th anniversary of my return from the US, 2 mo. to the 50th of originally emigrating to Canada, & 6 mo. to the 40th of my original post pre-internet:  see 1986, curr. Internet footprint, banner menu of this blog's web view

As cumulative hits exceed the million mark, let's update the last recap here

click to enlarge

Sunday, 15 March 2026

Two Antiquities leaders by the map

This follows on "Ancient Roman environment" paragraph halfway down here: the blog post about the Roman road network ended up observing the vastly different water regime in ancient Mesopotamia. 

Update: I renamed the blogpost to add a second map of Marcus Aurelius along the Danube, see also the footnote. 

Alexander the Great in Mesopotamia

Fox News Digital ran a feature titled Alexander the Great's long-lost city located after nearly two millennia: ‘Absolutely stunning’ about Alexandria-on-the-Tigris (Charax Spasinou, summary at bottom). That falls smack dab in the middle of that map region. I simply recycled the previous map with Ancient World Mapping Center (AWMC) at UNC-Chapel Hill data for that period.

Monday, 9 March 2026

Continental drift not push-me but pull-you, the Rockhall Plateau

 A funny thing happened when I showed my last blog post to my mom: "what is that blob right above where it says 'Atlantic Ocean'?". Widow and mother to geologists, she learned to read maps: she spotted the Rockhall Rise as it shows in the zoomed-in view below; it's also known as Rockhall Plateau (Perplexity), briefly a piece of crust left behind in the spreading of the North Atlantic. The tectonic plate margins, incl. the mid-Atlantic Ridge top right, are highlighted in cyan below. Same as the second-last blogpost showed interesting geomorphology only seen in North polar view, this portion of the far North Atlantic also shows better than in a normal or equatorial map view shown at right.

Thursday, 5 March 2026

Mapping Arctic Boreal Peatlands, cont.

 This follows on the original post here, with more news on "Arctic fires" that are counterintuitive a priori:

Perplexity summary of NASA captured it from space, and it looks like a bad joke: fire burning on the ice of the North Pole. The scary thing is that it has been multiplying for 10 years: NASA satellites have detected a dramatic rise in Arctic wildfires over the past decade, with fires spreading farther north into icy regions, fuelled by an Arctic warming four times faster than the global average. These blazes, now more frequent and intense, are shifting from the Arctic's edges to a broad northern band, burning drier tundra and releasing ancient carbon from permafrost, turning some areas into carbon sources. Lightning ignites many of these deep-burning fires, whose smoke travels globally, worsening air quality and signalling urgent climate impacts as noted in recent Arctic assessments. 

Tuesday, 3 March 2026

A view from the top of the world

This follows on from 3D maps in current affairs: it showed an intriguing feature bisecting the Arctic on a proxy topography for the earth's crust; it's only visible on a Polar Stereographic projection, looking straight down the North Pole, mapped here for features N of 50° N lat.

This was seen when mapping ArcticDEM - High-resolution Elevation Models of the Arctic (Esri Living Atlas) and Seabed Sediment Thickness (clipped to N of 50°N, Esri Living Atlas).  From the poster & overlay at the bottom:

Saturday, 28 February 2026

Mapping Arctic Boreal Peatlands

This follows on East Anglia environment in a global context. A recent article, Peatlands across the Arctic are expanding as the climate warms, research shows  via @physorg_com, made me look to map data for that. I posted a fair bit on East Anglia peatlands in this blog. I also recently used polar Arctic basemaps N of 50°lat., like Arctic Waterfront, a measure of geopolitical stakes, amongst this blog's Arctic coverage. Next post is Mapping Arctic Boreal Peatlands, cont..

Saturday, 21 February 2026

Bomber, missile & drone ranges in current Iran conflict

This follows on a previous post mapping long-haul flights (this blog) in a similar manner.

March update: ballistic missile range map differ slightly from aircraft range maps.

Late March update: debunking sensationalist press re: drone threat Down Under...

2026 Iran Conflict

Currently in the news, the UK prohibited the use of forward bases by the US, whereas that issue was sidestepped last summer for US intervention in Iran (Perplexity). Having looked at the range of fighter jets in Arctic War games (this blog), I did the same for B52 bombers (Perplexity). Here are the relevant data: