cs, to Geology
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GregCocks, to NewZealand
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AlaskaWx, to climate
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Ice on the Kuskokwim River at Bethel, Alaska moved enough to carry the tripod downriver and trip the clock at 840am Wednesday May 8. This is ten days earlier than last year and very close to the modern average date of break-up, but is almost a week earlier than the pre-1990 average. #akwx #Climate #Hydrology
@Climatologist49

AlaskaWx, to Canada
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Break-up on the Yukon River at Dawson, YT occurred on on the afternoon of April 28. This was the fourth earliest break-up since 1896: only 1940, 2016 and 2019 were earlier. Typical break-up nowdays is more than a week earlier than it was in the early to mid 20th century. @Climatologist49 @evaholland

GregCocks, to Futurology
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AlaskaWx, to random
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The Tanana River at Nenana is showing a lot of melt water on top of the ice Tuesday early afternoon. Continued mild weather this week ensures it will be an early break-up this year, but remember, the tripod has to move 100 feet to trip the clock. Image courtesy Nenana Ice Classic.

@Climatologist49 @anisian @sbmorgan @CarrieinFbx @tania @mivox

AlaskaWx, to Canada
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Northwest North America snowpack analysis for mid-April shows dramatic differences between Alaska and northwest Canada.
@Climatologist49 @DeniseGutzmer
https://alaskaclimate.substack.com/p/april-2024-snowpack-analysis

EUClimateAction, to random
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RT by @EUClimateAction: March highlights from the Change Service ().

Last month was:

💧wetter than average in most of western Europe, regions of Scandinavia and north-western Russia;
💧predominantly drier than average in the rest of Europe.

▶️https://climate.copernicus.eu/precipitation-relative-humidity-and-soil-moisture-march-2024?utm_source=socialmedia&utm_medium=tw&utm_id=cb-march-2024

[2024-04-09 07:56 UTC]

CopernicusECMWF, to random
@CopernicusECMWF@masto.ai avatar

March highlights from the Change Service ().

Last month was:

💧 wetter than average in most of western Europe, regions of Scandinavia and north-western Russia;
💧 predominantly drier than average in the rest of Europe.

For more information 👉 https://climate.copernicus.eu/precipitation-relative-humidity-and-soil-moisture-march-2024?utm_source=socialmedia&utm_medium=ma&utm_id=cb-march-2024

AlaskaWx, to worldwithoutus
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April 1 snowpack snow water equivalent as a percent of 1991-2020 median in/around Alaska from ERA5 Land courtesy of ECMWF/Copernicus. Most of Alaska snowpack is near to above normal with a small exception in the central Interior and a larger exception in central and southern Southeast. In Canada, much of northern BC, NW Alberta and western NWT snowpack is far below typical for this point in the season.
@Climatologist49 @DeniseGutzmer

GregCocks, to uk
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GregCocks, to Futurology
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shekinahcancook, to Futurology
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Lifeblood
Re-enchanting the hydrologic cycle by Markael Luterra Mar 21

"...The inflow, the concentration of water from evaporation into weather systems, is invisible, dynamic, ever changing – the arteries in the sky from the everywhere sunlight-heart to the tissues of the land. The outflow, the movement from capillaries into veins, the concentration of water from the landscape through creeks into ever-larger and ever-more-powerful rivers, is so central to our story as to have defined the locations of our cities and the boundaries of our nations. Rivers grind mountains to pebbles and eventually to dust, carry minerals raised by volcanoes & tectonic collisions to be deposited across fertile floodplains. Rivers are both barriers to our movement, boundaries to our wanderings, and conduits for commerce, for salmon migrations, for canoes riding the currents borne of everywhere upstream, carrying stories & stones & sturgeon..."

https://dendroica.substack.com/p/lifeblood

GregCocks, to worldwithoutus
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How Melting Arctic Ice Leads To European Drought And Heatwaves

https://insideclimatenews.org/news/01032024/links-between-melting-arctic-ice-and-summertime-extreme-weather-in-europe/ <-- shared technical article

https://doi.org/10.5194/wcd-5-109-2024 <-- shared paper

#GIS #spatial #mapping #spatialanalysis #spatiotemporal #arctic #climate #climatechange #europe #ice #meltingice #drought #heatwaves #Greenland #northatlantic #model #modeling #numericmodeling #interaction #inflow #freshwater #weather #research #water #hydrology #marine #oceangraphy #climatology #extremeweather

maps - The Combined Drought Indicator—used to identify areas affected by agricultural drought, and areas with the potential to be affected—estimated for the first 10 days of each month from April to September 2022. Credit: European Commission, Joint Research Centre
photo - The Wamme river is seen at a low level during the European heatwave on Aug 10, 2022 in Rochefort, Belgium
maps - Climatological mean (a) SST, (d) meridional winds at 700 hPa, (g) 2 m air temperature, and (j) precipitation minus evaporation in summer (May through to August). Regressions of (b, c) the SST (colour shading) and 700 hPa winds (arrows), (e, f) the meridional winds at 700 hPa, (h, i) the 2 m air temperature, and (k, l) the accumulated precipitation minus evaporation on FE in (b, e, g, k) the first and (c, f, h, l) the second summer (May through to August) after the freshwater anomalies (indicated by the “+1” and “+2” in the titles). We removed large-scale trends from the air temperature to reduce the direct warming effect of greenhouse gases (Sect. 2), and we excluded the anomaly in 2016 since it exhibited a different spatial SST distribution from the other anomalies (Fig. A1). Thick contours encompass regions that are significant at the 95 % confidence level, and the red and blue dotted lines in (b) and (c) delineate the regions in which the SST anomalies exceed 2 ∘C and fall below −2 ∘C.

GregCocks, to Futurology
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GregCocks, to Futurology
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RebelGeo, to climate
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GregCocks, to Futurology
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luis_in_brief, to Futurology
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Am at the first applications conference, with another 200+ water folks. Won't be live-tooting too much, but a few bits will trickle out because I'm excited to support this great community focused on using open to meet the deep challenge of climate adaptation.

GregCocks, to 3dmodeling
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Future Changes In Global Atmospheric Rivers Projected By CMIP6 Models

https://doi.org/10.1029/2023JD039359 <-- shared paper

maps and charts - (a) Atmospheric river (AR) characteristics, including duration, interval, area, and intensity during the DJF globally. The central plot displays the increase in AR frequency between the far-future (SSP585; 2070–2099) and the historical (1980–2009) periods, with the climatological AR frequency in the historical period represented by the contours. Black dots indicate unanimous frequency changes among CMIP6 models. The red rectangles are the boundaries of the target regions and the black hatches are the selected land regions. The surrounding plots show 2D Kernel Density Estimation (KDE) maps for AR characteristics over the historical period and far-future under different scenarios displayed in the bottom right corner for eight regions. The univariate distributions of the characteristics are shown on the outer axes of each subplot. (b) The comparison of the KDE maps for three selected regions with ARs detected with GuanWaliser_v2 and Mundhenk_v3 AR detection tools (ARDTs). Note that only the SSP585 scenario is available for the far-future period in these two data sets. The legend is the same as in Panel (a). Note that the figures of PanLu ARDT are presented based on daily scale data sets, while the figures of GuanWaliser_v2 and Mundhenk_v3 ARDTs are presented on 6-hourly scale data sets due to data accessibility.
graphic - what is the science behind atmospheric rivers
maps and charts - Projected increase in panel (a) atmospheric river (AR) frequency and (b) AR-induced precipitation for DJF and JJA in Northern Hemisphere and Southern Hemisphere under the SSP585 scenarios. The shading represents the differences between the far-future (2070–2099) and historical (1980–2009) periods, with contours delineating the historical climatology. ARs detected with the PanLu, GuanWaliser_v2 and Mundhenk_v3 method are all shown. Note that the figures of PanLu ARDT are presented based on daily scale data sets, while the figures of GuanWaliser_v2 and Mundhenk_v3 ARDTs are presented on 6-hourly scale data sets due to data accessibility.

GregCocks, to art
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stevenjgibbons, to Oslo
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b_aichner, to ocean German
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One of the most spectacular things happening on earth right now, widely unnoticed by the broad public, is the going wild since 2023. This has massive effects on the global hydrological cycle due to the excess evaporation. //

clusterroots, to AncientHistory German
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Interested in »Human environment interactions in the Eurasian from to the early historical periods«? Then you should consider to submit a paper to session of , co-organized by ROOTS scientific coordinator Andrea Ricci. The is open until 8 February. Read more: https://www.e-a-a.org/EAA2024/Programme.aspx?Program=3

@EAAarchaeology

readbeanicecream, to environment
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