Lmst

New Coasts Emerging From The Retreat Of Northern Hemisphere Marine-Terminating Glaciers In The Twenty-First Century
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https://doi.org/10.1038/s41558-025-02282-5 <-- shared paper
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#GIS #spatial #mapping #geography #climatechange #glaciers #glacial #melting #retreating #ctyosphere #spatialanalysis #spatiotemporal #deglaciation #coast #coastal #geomorphology # geomorphometry #proglacial #coastline #geology #NorthernHemisphere #Greenland #paraglacial #sediment #sedimentation #dynamic #retreating #ecosystems #Arctic #islands #new #climate #rock #permafrost #geodiversity #delta #moraine #beach #juvenile #snow #ice #calving

Accelerated #GlobalWarming in the late 20th century led to frequent forest-decline events in the #NorthernHemisphere and increased the complexity of the relationships between #TreeGrowth and #Climate factors. Jie Liu et al. found that #AcceleratedWarming promoted tree radial growth at the same time in the Northern Hemisphere by analyzing temperature-sensitive #Tree-ring width chronologies.
https://doi.org/10.1093/jpe/rtac077

Mean standardized growth patterns from 1950 to 1976 (red dotted line) and from 1977 to 2000 (blue dotted line).

#springequinox #northernhemisphere #ostara

The #VernalEquinox (in the #NorthernHemisphere) will occur in about an hour and half’s time of positing at 09:01Z. The #Sun will be precisely overhead at noon on the #Equator just off the coast of #Somalia when this happens. For the whole planet, #day and #night will be of equal length (as makes no odds) and #Sunrise will be due #East and #Sunset will be due #West. Roll on #Spring.

#Equinox

Today is the last full day of the #NorthernHemisphere #winter, though here, it has been feeling like #spring for a while now, except for some cold nights.

#Seasons

#Vegetation #Green-up is occurring earlier due to #ClimateWarming across the #NorthernHemisphere, but it is unclear whether #Temperature responses differ among various green-up stages. Nan Jiang et al. explored it by high-temporal-resolution satellite data.
Details: https://doi.org/10.1093/jpe/rtae063

I'm ready for Spring now...

#Spring #Warmth #NorthernHemisphere

𝗪𝗜𝗞𝗜𝗣𝗘𝗗𝗜𝗔 𝗣𝗜𝗖𝗧𝗨𝗥𝗘 𝗢𝗙 𝗧𝗛𝗘 𝗗𝗔𝗬

✧ Fragaria vesca ✧

Fragaria vesca, commonly called the wild strawberry among other names, is a perennial herbaceous plant in the rose family that grows naturally throughout much of the Northern Hemisphere. The wild strawberry produces edible fruits, which have been consumed by humans since the Stone Age. The fruit is strongly flavored, and is still colle...

#NorthernHemisphere #Fragaria #Germany #Bamberg #Wikipedia
https://en.wikipedia.org/wiki/Fragaria_vesca

Guided by the Stars — A Journey Through Historical Navigation Methods

A brief #history of #celestial #navigation long before the #discovery of the #magnetic #compass
Merry Janson for #Medium

❛❛ A sailor could determine the #latitude of the ship on the #Earth, during bright starry nights in the #NorthernHemisphere … by estimating the angle between the #NorthStar and the horizon. ❜❜

🔗 https://Medium.com/the-quantastic-journal/guided-by-the-stars-a-journey-through-ancient-navigation-methods-1335a3e74d9d 2025 Jan 23
🔗 https://Wikipedia.org/wiki/Celestial_navigation

#Community #TimeTravel #Research #Kronodon

Permafrost Thaw Threatens Up To 3 Million People In The Arctic
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https://phys.org/news/2025-01-permafrost-threatens-million-people-arctic.html <-- shared technical article
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https://doi.org/10.1038/s43247-024-01883-w <-- shared paper
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#GIS #spatial #mapping #arctic #climatechange #permafrost #thaw #communities #impacts #humanimpacts #infrastructure #risk #hazard #northernhemisphere #global #threat #Sweden #greenland #alaska #yukon #russia #canada #norway #landuse #melting #ecosystems #livelihoods #firstnation #indigenous #inhabitants #population #cost #economics #policymaking #planning #management #spatialanalysis #adapation #transportation #supplies #waterquality #watersecurity #foodsecurity #disease #contaminants #multifactor #analysis #MFA #social #culture #cultural #transdisciplinary #ground #temperature #physicalprocesses #consequences #mobility #supplies #biogeochemical #water #hydrology #engineeringgeology #erosion #ecosystem #FATE

schematic - Composite overview synthesizing the risks from permafrost thaw identified across the four study areas

map - Map of the study areas and trends in the ground temperature over the period 2000–2019

photo - A drone picture shows private houses on a territory of former airfield, damaged by thermokarst processes in the village of Churapcha in the Republic of Sakha (Yakutia), Russia September 5, 2021

Permafrost risk analysis workflow diagram

Rising cases of human metapneumovirus in China ‘not unusual’, WHO says
Rising cases of common respiratory illnesses in China and elsewhere around the Northern Hemisphere are within the range expected for winter, with no unusual outbreaks reported.
#virus #health #China #NorthernHemisphere #World #HumanMetapneumovirus #RespiratoryIllnesses
https://globalnews.ca/news/10949105/human-metapneumovirus-cases-china-who/

It’s not yet 8pm and I’m ready to head to bed. #HolidayFatigue - for those following along in the #NorthernHemisphere the sun sets in just over an hour.

For those who celebrate, may you rejoice in the #WinterSolstice promise of new days.

Today at 4:21 AM US EST, the #Sun reached its point farthest south of the #celestialequator, giving the #northernhemisphere its shortest daylight period.

#winter #solstice #astronomy #calendar
photograph courtesy of birgl via Pixabay

Sunlight shines through a soap bubble that encompasses frost crystals, photograph courtesy of birgl via Pixabay

Okay, the days start getting longer, but that damn Sun rise is still coming later for another week or so...

#WinterSolstice #NorthernHemisphere

The winter solstice is here, the Northern Hemisphere's darkest day
The winter solstice is Saturday, bringing the shortest day and longest night of the year to the Northern Hemisphere — ideal conditions for holiday lights and warm blankets.
#winter #solstice #holiday #NorthernHemisphere
https://www.ctvnews.ca/lifestyle/the-winter-solstice-is-here-the-northern-hemisphere-s-darkest-day-1.7153804

Happy #Solstice to all who celebrate!

We've got the #SummerSolstice here in the #SouthernHemisphere, where it'll be 41ºC (105.8ºF) here in Perth. I envy everyone in the #NorthernHemisphere with the #WinterSolstice – cooler days and longer nights are much better in my opinion! 🥵

Screenshot from http://www.bom.gov.au/wa/forecasts/perth.shtml showing the forecast for Sunday and Monday.

Notably, Sunday will be 41ºC (105.8ºF) and Monday will be 40ºC (104ºF). The UV index will be 13 and 12 respectively which is extreme. Also, Monday will have an overnight low of 27ºC (80.6ºF) which will be quite uncomfortable.

N.S. lost about 7 winter days a year over last decade due to climate change: study
U.S.-based climate science organization Climate Central has released a new study that looks at how many days of winter different places in the northern hemisphere have lost due to climate change.
#climatechange #northernhemisphere #News #Canada #NovaScotia
https://www.cbc.ca/news/canada/nova-scotia/climate-change-winter-temperatures-1.7410259?cmp=rss

#NorthernHemisphere

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