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Application of Machine Learning Methods to Imager Cloud Property Estimation and the Feasibility of Their Use in Operations and Climate Data Records.

Record Type:	Electronic resources : Monograph/item
Title/Author:	Application of Machine Learning Methods to Imager Cloud Property Estimation and the Feasibility of Their Use in Operations and Climate Data Records./
Author:	White, Charles H.
Description:	1 online resource (182 pages)
Notes:	Source: Dissertations Abstracts International, Volume: 83-09, Section: B.
Contained By:	Dissertations Abstracts International83-09B.
Subject:	Atmospheric sciences. -
Online resource:	http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=29060398click for full text (PQDT)
ISBN:	9798209900924

Application of Machine Learning Methods to Imager Cloud Property Estimation and the Feasibility of Their Use in Operations and Climate Data Records.
White, Charles H.

Application of Machine Learning Methods to Imager Cloud Property Estimation and the Feasibility of Their Use in Operations and Climate Data Records. - 1 online resource (182 pages)

Source: Dissertations Abstracts International, Volume: 83-09, Section: B.

Thesis (Ph.D.)--The University of Wisconsin - Madison, 2022.

Includes bibliographical references

Estimates of cloud properties are critical to our understanding of weather and climate variability, but their estimation from satellite imagers is a nontrivial task. Machine learning(ML) approaches have recently gained popularity in earth science and remote sensing. This work explores the use of a kind of ML model, a neural network, for cloud detection and cloud-top pressure estimation from the Visible Infrared Imaging Radiometer Suite (VIIRS),Advanced Baseline Imager (ABI), and Moderate Resolution Imaging Spectroradiometer(MODIS). Several comparisons illustrate large improvement over current operational products which rely on more conventional statistical or physically-based approaches.This increase in performance merits study into the interpretability of neural network cloud property models. A comparison of several modern interpretability frameworks for neural networks shows mixed results and implies that current tools may be insufficient for explaining neural network output in remote sensing tasks with multicollinear predictors. Nonetheless, we find some agreement on the importance of particular spectral features, spatial metrics, and numerical weather prediction output that could inform future algorithm development.A key challenge in transitioning algorithms to satellite climate records is ensuring intersensor consistency. If this is not considered, then long-term analyses of clouds risk being affected by changes in observation platform which can be frequent in our longest satellite records. A method is proposed that simultaneously minimizes differences between imager predictions for matching observations and predictions with respect to a reference instrument. These results offer one pathway for ensuring the appropriateness of ML algorithms in the analysis of satellite climate records.

Electronic reproduction.
Ann Arbor, Mich. :
ProQuest,
2023

Mode of access: World Wide Web

ISBN: 9798209900924Subjects--Topical Terms:

3168354
Atmospheric sciences.
Subjects--Index Terms:

Cloud propertiesIndex Terms--Genre/Form:

542853
Electronic books.

Application of Machine Learning Methods to Imager Cloud Property Estimation and the Feasibility of Their Use in Operations and Climate Data Records.
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