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Preliminary Analysis of the Impact of Sea Surface Chlorophyll Concentration on GNSS-R Data

2025· article· en· W4413322180 on OpenAlexafffund
Xin Qiao

Bibliographic record

Venuenot available
Typearticle
Languageen
FieldEngineering
TopicGNSS positioning and interference
Canadian institutionsMemorial University of Newfoundland
FundersNatural Sciences and Engineering Research Council of CanadaCanadian Space Agency
KeywordsGNSS applicationsEnvironmental scienceRemote sensingOceanographyChlorophyll aGeodesyMeteorologyGeologyComputer scienceGlobal Positioning SystemTelecommunicationsGeographyChemistry

Abstract

fetched live from OpenAlex

Chlorophyll concentration is a crucial indicator of marine primary productivity and the health of ocean ecosystems. Traditional optical sensor-based monitoring methods face challenges such as cloud cover and varying light conditions. In contrast, global navigation satellite system reflectometry (GNSSR) offers a promising alternative for ocean remote sensing, but its application for chlorophyll concentration estimation remains largely unexplored. This study investigates the impact of chlorophyll concentration on GNSS-R data using a two-stage framework, where the first stage investigates the relationship between mean square slope (MSS) and significant wave height (SWH) under varying chlorophyll conditions and the second stage evaluates the variations of MSS with chlorophyll concentration across distinct wave conditions. Through various fitting models, this preliminary analysis explores the impact of chlorophyll concentration on GNSS-R data, highlighting its potential for chlorophyll estimation.

Fetched live from OpenAlex and de-inverted. Abstracts are not stored in this database: the inverted indexes are 8.6 GB of the frame’s 9.3 GB of text, and the host has 13 GB free.

How this classification was reachedexpand

Full frame distilled prediction

Teacher imitation

Not calibrated prevalence, not ground truth. Human validation pending. Learned from the 10,348 direct Codex labels and 10,348 direct Gemma labels. Candidate is the union of thresholded teacher heads; consensus is their intersection. These outputs are machine_predicted_unvalidated and are not human labels or direct frontier model labels.

metaresearch head score (Codex)0.000
metaresearch head score (Gemma)0.000
Version: codex-gemma-dda1882f352aValidation status: machine_predicted_unvalidated
Candidate categoriesnone
Consensus categoriesnone
DomainCandidate signal: none · Consensus signal: none
Study designCandidate signal: Simulation or modeling · Consensus signal: Simulation or modeling
GenreCandidate signal: Empirical · Consensus signal: Empirical
Teacher disagreement score0.232
Threshold uncertainty score0.145

Codex and Gemma teacher scores by category

CategoryCodexGemma
Metaresearch0.0000.000
Meta-epidemiology (narrow)0.0000.000
Meta-epidemiology (broad)0.0000.000
Bibliometrics0.0000.000
Science and technology studies0.0000.000
Scholarly communication0.0000.000
Open science0.0000.000
Research integrity0.0000.000
Insufficient payload (model declined to judge)0.0000.000

Machine scores (provisional)

The two teacher heads of the student model, read on this work. A score orders the frame for review; it never asserts a category, and the validation status ships verbatim with every row.

Baseline scores from an immature model (maturity gate not passed, 7 training rounds). Scores rank; they never assert a category.

Opus teacher head0.018
GPT teacher head0.281
Teacher spread0.263 · how far apart the two teachers sit on this one work
Validation statusscore_only:v0-immature-baseline · verbatim from the scoring run: score_only means the number may rank works, and no category label ships from it

Classification

machine, unvalidated

Machine predicted; a candidate call from one teacher head, not a consensus.

The models applied no category: nothing in the taxonomy fit this work.
Study designSimulation or modeling
Domainnot available
GenreEmpirical

How this classification was reached, model by model and score by score, is at the end of the page under "How this classification was reached".

Quick stats

Citations0
Published2025
Admission routes2
Has abstractyes

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