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BPS AGB ATBD - Algorithms Theoretical Baseline Document#

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Authoritative document

This page is the web-rendered version of BIO-BPS-AGB-ATBD-ARE-024912 issue 3.1.4 dated 02 April 2026.

Document information

Field

Value

Title

BPS AGB ATBD - Algorithms Theoretical Baseline Document

External reference

BIO-BPS-AGB-ATBD-ARE-024912

Issue

3.1.4

Date

02 April 2026

Pages

54 (authoritative PDF)

Recipients

Name

Organisation

Cristiano Lopes

ESA – ESRIN

Michele Caccia

ESA – ESRIN

Muriel Pinheiro

ESA - ESRIN

Prepared by

Name

Organisation

Maciej Soja

Wageningen University & Research

Lars Ulander

Chalmers University of Technology

Shaun Quegan

University of Sheffield

Paolo Mazzucchelli

Aresys

Francesco Banda

Aresys

Checked by

Name

Organisation

Davide D’Aria

Aresys

Approved by

Name

Organisation

Davide D’Aria

Aresys

Change history

Date

Issue

Change summary

Author

2023-06-16

3.0

First issue of the document

Maciej Soja Lars Ulander Shaun Quegan Paolo Mazzucchelli Francesco Banda

2023-08-04

3.0.1

Post-PDR3 issue of the document BPSPDR3-61: added “no-selection” criterion in section 3.2 BPSPDR3-29: updated section 4.1.4 BPSPDR3-24, BPSPDR3-25: clarified sec. 3.4.4.2.2 BPSPDR3-27: updated section 4 BPSPDR3-32: added insights on second iteration BPSPDR3-22: editorials corrected

Paolo Mazzucchelli

2023-11-17

3.1

CDR3 issue of the document BPSPDR3-22: remaining editorial corrected BPSPDR3-23: updated section 3.2.1 BPSPDR3-27: updated section 4 BPSPDR3-28: updated sec. 4.1.4.3 BPSPDR3-31, BPSPDR3-32: updated section 4.1.4.5

Paolo Mazzucchelli

2024-09-06

3.1.1

FAT3 issue of the document: BPSCDR2-10: updated description of “real elevation” BPSPDR3-63: updated input table section 4.1.2 Added selection for combination of reference data at second iteration

Paolo Mazzucchelli

2024-12-13

3.1.2

Delta_FAT3 issue of the document: Updated eq. 3.14, eq. 3.15 Updated section 3.5.5 Updated sec. 4.1.4.3 (power law model) Updated section 4.1.4.6 Renamed “decimationFactor” to “upsamplingFactor”

Paolo Mazzucchelli

2025-04-30

3.1.3

BPS-FTO-BATCH4: Separated calibration screen table in skp and flattening (section 3.3.2); expanded description in how to use them (sec. 3.3.4)

Paolo Mazzucchelli Emanuele Giorgi

2026-04-02

3.1.4

Post-launch issue of the document (associated to BPS V4.4.1) Updated eq. 3.13 (Sigma naught normalization): removed the spatial resolution normalization factor to preserve the dynamic range of the estimation

Francesco Banda Emanuele Giorgi