Assimilation of pseudo-tree-ring-width observations into an atmospheric general circulation model
Walter Acevedo; Bijan Fallah; Sebastian Reich; Ulrich Cubasch · 2017 · Climate of the past
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The study found no significant effect — useful as a negative control or null benchmark for your own design.
Abstract
Abstract. Paleoclimate data assimilation (DA) is a promising technique to systematically combine the information from climate model simulations and proxy records. Here, we investigate the assimilation of tree-ring-width (TRW) chronologies into an atmospheric global climate model using ensemble Kalman filter (EnKF) techniques and a process-based tree-growth forward model as an observation operator. Our results, within a perfect-model experiment setting, indicate that the "online DA" approach did not outperform the "off-line" one, despite its considerable additional implementation complexity. On
Abstract by Walter Acevedo; Bijan Fallah; Sebastian Reich; Ulrich Cubasch, Climate of the past (2017) — licensed CC BY 4.0.
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Metadata source: OpenAlex · DOI 10.5194/cp-13-545-2017