Sahana Aster KŌWHAI, Ph.D. / Tideglass Research Cooperative

Sahana Aster KŌWHAI, Ph.D.

School of Earth and Ice StudiesKārearea UniversityTideglass Research Cooperative10 publications · 2 editorial boards
Portrait of Sahana Aster KŌWHAI, Ph.D.
I reconstruct how the Southern Ocean changed across abrupt climate transitions, combining geochemical proxies, sediment cores and age-depth modelling.
Sahana Aster KŌWHAI, Ph.D. · School of Earth and Ice Studies

Quoted verbatim from content/cv.yaml · profile.bio.long, first sentence.

The workcontent/cv.yaml · profile.bio.long

I reconstruct how the Southern Ocean changed across abrupt climate transitions, combining geochemical proxies, sediment cores and age-depth modelling.

My group works across oceanography, geology and mātauranga-informed environmental practice. We build open records that make uncertainty, provenance and field decisions visible.

content/cv.yaml · profile.bio.long — 2 paragraphs, rendered verbatim. The printed CV does not carry them: it prints profile.bio.short, the same person in the third person.

Research strandscontent/cv.yaml · strands[]

  1. Ocean archives

    Reading marine sediments as layered records of temperature, circulation and sea-ice change.

  2. Chronology and uncertainty

    Making age models, proxy calibration and uncertainty legible from sample to published claim.

  3. Open polar practice

    Designing reusable datasets and reciprocal field partnerships for Southern Ocean research.

content/cv.yaml — strands[], 3 entries in file order. The title, explanatory copy and evidence note are all part of the adopter-owned record.

Ocean archives — content/cv.yaml · strands[0] · Evidence lives in content/publications.bib and the fieldwork section.

Chronology and uncertainty — content/cv.yaml · strands[1] · Evidence lives in content/publications.bib and the teaching record.

Open polar practice — content/cv.yaml · strands[2] · Evidence lives in the projects and service sections.

The countcontent/publications.bib

  • 10entries in this bibliography
  • 3entries · Books
  • 2entries · Under review
  • 2entries · Journal
  • 1entry · Data
  • 1entry · Software
  • 1entry · Conference
  • 2editorial boards
  • 5service roles on record

content/publications.bib — 10 entries, 2021–2028, counted at build by parsing the file. The two service figures are counted from content/cv.yaml: 2entries of service[] whose title matches “editor” (Tideglass Climate Letters, Example Journal of Palaeoclimate Studies), and 5entries in that list altogether.

Associate Editorcontent/cv.yaml · service[] · role: Associate Editor

  • Tideglass Climate Letters2023 – Present
  • Example Journal of Palaeoclimate StudiesIF: 3.4, Q12022, 2023, 2024

Scientific Steering Committeecontent/cv.yaml · service[] · role: Scientific Steering Committee

  • Tideglass Research Cooperative2022, 2023, 2024, 2025, 2026

Panel reviewercontent/cv.yaml · service[] · role: Panel reviewer

  • Kōwhai Research Trust2021 – Present

Reviewercontent/cv.yaml · service[] · role: Reviewer

  • Open Core Review

content/cv.yaml — service[], 5 entries grouped into 4 roles by their own title field (Associate Editor: 2, Scientific Steering Committee: 1, Panel reviewer: 1, Reviewer: 1), in the order those roles first appear in the file. The meta on each row is the entry's dates where it states a term and its years[] where it states editions; the badges are the metric field, linked to the rank_url beside it.

This column and /service/ read the same list through the same grouping in web/src/lib/cv-schema.ts, so they cannot disagree. They once came from two files that had drifted apart; there is one file now, and it is the one the printed CV is generated from.

web/src/lib/consistency.ts — the consistency gate: 1 check · 9 comparisons · 0 contradictions · 0 excused · 0 records with nothing to compare against. Each check compares two hand-typed records of one fact — a date the fact states and the date it says it was announced on — joined by being the same entry rather than by matching prose. A contradiction refuses astro build; astro dev never fails, so this block is where the author sees one.

announced-in-own-year — an announcement date must fall in the year of the fact it hangs on, or the year before it (invited in N−1 to serve at the N edition). Over content/cv.yaml, content/publications.bib.

Latelycontent/cv.yaml

  • · Under review

    Sea-ice retreat and productivity at the East Antarctic margin, submitted to Tāwhirimātea Ice Records.

  • · Invited keynote

    What an open sediment record should remember, Tideglass Earth Assembly, Bergen, Norway.

  • · Writing

    Reading a sediment core without hiding the joins.

  • · Journal

    Southern Ocean front migration recorded across two glacial terminations, Koru Basin Records.

  • · Outreach

    Sediment stories: reading climate from ocean cores, Kōwhai Coast Learning Collective.

  • · Oral presentation

    First results from the Pukaki Rise coring transect, Tāwhirimātea Polar Forum, Te Whanganui-a-Tara Wellington, Aotearoa New Zealand.

All 26 items →

26 announcements, generated from the facts themselves — content/cv.yaml, content/publications.bib, content/talks.bib, content/posts/**/*.{md,mdx}. Nothing is written twice: a fact is announced on the date it carries, and the feed shows that date at the precision the source states it and no finer.

This column is capped at 6, so 6 of 26 announcements are shown here and 20 are not; the full feed is at /lately/.