#stratigraphic — Public Fediverse posts
Live and recent posts from across the Fediverse tagged #stratigraphic, aggregated by home.social.
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Old Data, New Horizons 🏺✨
This new FirstView article shows how 3D modeling transforms fragmentary legacy data into research-ready resources. 💻📐
De Weirdt, Nys, & Recke use 3D-GIS to reconstruct long-gone #stratigraphic layers, and include a step-by-step plan for researchers to revitalize #archives -
Stratigraphic Evidence For Modern-Like Glacier Extents In South-Central Alaska Within The Last Glacial Period (MIS 3)
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https://doi.org/10.1111/bor.70043 <-- shared paper
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https://www.nps.gov/articles/000/ancient-glacier-change.htm <-- shared @NPS technical article
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#glacier #Wisconsinan #glaciations #alaska #iceage #sediments #moraines #geology #stratigraphy #model #cryosphere #ice #snow #sedimentary #Chitina #CopperRiver #proglacial #water #hydrology #fluvial #glaciofluvial #glaciolacustrine #fans #Holocene #geomorphology #geomorphometry #landform #hydrogeomorphology #sedimentology #stratigraphic #sampling
@NPS -
Stratigraphic Evidence For Modern-Like Glacier Extents In South-Central Alaska Within The Last Glacial Period (MIS 3)
--
https://doi.org/10.1111/bor.70043 <-- shared paper
--
https://www.nps.gov/articles/000/ancient-glacier-change.htm <-- shared @NPS technical article
--
#glacier #Wisconsinan #glaciations #alaska #iceage #sediments #moraines #geology #stratigraphy #model #cryosphere #ice #snow #sedimentary #Chitina #CopperRiver #proglacial #water #hydrology #fluvial #glaciofluvial #glaciolacustrine #fans #Holocene #geomorphology #geomorphometry #landform #hydrogeomorphology #sedimentology #stratigraphic #sampling
@NPS -
Stratigraphic Evidence For Modern-Like Glacier Extents In South-Central Alaska Within The Last Glacial Period (MIS 3)
--
https://doi.org/10.1111/bor.70043 <-- shared paper
--
https://www.nps.gov/articles/000/ancient-glacier-change.htm <-- shared @NPS technical article
--
#glacier #Wisconsinan #glaciations #alaska #iceage #sediments #moraines #geology #stratigraphy #model #cryosphere #ice #snow #sedimentary #Chitina #CopperRiver #proglacial #water #hydrology #fluvial #glaciofluvial #glaciolacustrine #fans #Holocene #geomorphology #geomorphometry #landform #hydrogeomorphology #sedimentology #stratigraphic #sampling
@NPS -
Stratigraphic Evidence For Modern-Like Glacier Extents In South-Central Alaska Within The Last Glacial Period (MIS 3)
--
https://doi.org/10.1111/bor.70043 <-- shared paper
--
https://www.nps.gov/articles/000/ancient-glacier-change.htm <-- shared @NPS technical article
--
#glacier #Wisconsinan #glaciations #alaska #iceage #sediments #moraines #geology #stratigraphy #model #cryosphere #ice #snow #sedimentary #Chitina #CopperRiver #proglacial #water #hydrology #fluvial #glaciofluvial #glaciolacustrine #fans #Holocene #geomorphology #geomorphometry #landform #hydrogeomorphology #sedimentology #stratigraphic #sampling
@NPS -
Stratigraphic Evidence For Modern-Like Glacier Extents In South-Central Alaska Within The Last Glacial Period (MIS 3)
--
https://doi.org/10.1111/bor.70043 <-- shared paper
--
https://www.nps.gov/articles/000/ancient-glacier-change.htm <-- shared @NPS technical article
--
#glacier #Wisconsinan #glaciations #alaska #iceage #sediments #moraines #geology #stratigraphy #model #cryosphere #ice #snow #sedimentary #Chitina #CopperRiver #proglacial #water #hydrology #fluvial #glaciofluvial #glaciolacustrine #fans #Holocene #geomorphology #geomorphometry #landform #hydrogeomorphology #sedimentology #stratigraphic #sampling
@NPS -
🚨new #preprint🚨
Age depth models are crucial to determine the timing and rate of past change, but are often based on simplified model assumptions that result in convenient mathematics. We built two new methods to estimate them from complex #stratigraphic and #sedimentological data to produce empirically realistic age-depth models 😁
It's open #PeerReview
@EmiliagnathusFig: 3 scenarios for the #petm, showing fluctuations in sed. rates by a factor of 20!
https://egusphere.copernicus.org/preprints/2024/egusphere-2024-2857/
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🚨new #preprint🚨
Age depth models are crucial to determine the timing and rate of past change, but are often based on simplified model assumptions that result in convenient mathematics. We built two new methods to estimate them from complex #stratigraphic and #sedimentological data to produce empirically realistic age-depth models 😁
It's open #PeerReview
@EmiliagnathusFig: 3 scenarios for the #petm, showing fluctuations in sed. rates by a factor of 20!
https://egusphere.copernicus.org/preprints/2024/egusphere-2024-2857/
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A phenomenal new paper from Nina Wichern (w/ me and other cool people) explores just how far we could take #stratigraphic correlation in deep time, going down to the sub-cm level with micro-XRF and powerful algorithmics.
https://agupubs.onlinelibrary.wiley.com/doi/10.1029/2024GL109392
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"The #Anthropocene has now received firm anchoring in a very precise #stratigraphic definition …"
#CrawfordLake sediments in #Canada show human impact from 1950 onwards, from bomb tests' plutonium to fossil fuel burning:
https://theguardian.com/environment/2023/jul/11/nuclear-bomb-fallout-site-chosen-to-define-start-of-anthropocene via @guardian
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"The #Anthropocene has now received firm anchoring in a very precise #stratigraphic definition …"
#CrawfordLake sediments in #Canada show human impact from 1950 onwards, from bomb tests' plutonium to fossil fuel burning:
https://theguardian.com/environment/2023/jul/11/nuclear-bomb-fallout-site-chosen-to-define-start-of-anthropocene via @guardian
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"The #Anthropocene has now received firm anchoring in a very precise #stratigraphic definition …"
#CrawfordLake sediments in #Canada show human impact from 1950 onwards, from bomb tests' plutonium to fossil fuel burning:
https://theguardian.com/environment/2023/jul/11/nuclear-bomb-fallout-site-chosen-to-define-start-of-anthropocene via @guardian
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"The #Anthropocene has now received firm anchoring in a very precise #stratigraphic definition …"
#CrawfordLake sediments in #Canada show human impact from 1950 onwards, from bomb tests' plutonium to fossil fuel burning:
https://theguardian.com/environment/2023/jul/11/nuclear-bomb-fallout-site-chosen-to-define-start-of-anthropocene via @guardian
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"The #Anthropocene has now received firm anchoring in a very precise #stratigraphic definition …"
#CrawfordLake sediments in #Canada show human impact from 1950 onwards, from bomb tests' plutonium to fossil fuel burning:
https://theguardian.com/environment/2023/jul/11/nuclear-bomb-fallout-site-chosen-to-define-start-of-anthropocene via @guardian
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@NatureMC In my opinion, the obsession by some groups to define the #anthropocene in a pseudo-rigorous #stratigraphic sense completely misses the point Paul Crutzen was trying to make.
The real issue is to properly recognize the multiple and far-reaching impacts human activity has on our #planet - and then to start dealing with them coherently. Whether things got really bad in year X or year Y is a matter of curiosity but of limited relevance for the need to radically change trajectory.