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  • News - Data Release news

    News - Data Release news

    New reprocessing of datasets celebrates 30 years of ERS

    For each surface, the experts will use our current knowledge acquired over 30 years of experience, to improve the ERS altimetric and ra...

  • Activity - Quality

    Activity - Quality

    SCIRoCCo

    The SCIRoCCo project aims are to consolidate current methodologies for scatterometer data processing and calibration

  • Mission - Heritage Missions

    Mission - Heritage Missions

    ERS Radar Course 1

    Therefore, microwaves easily penetrate clouds, and images can be acquired independently of the current weather conditions

  • Instrument - Spectrometers/Radiometers

    Instrument - Spectrometers/Radiometers

    GOME Products Information

    GOME Products This information is applicable to the GOME products available to users through the ESA GOME Online Dissemination System. In particular, the Level 2 version 5 dataset generated in 2012, and the data resulting from the GOME-Evolution project: Level 1 version 5.1 data and TCWV time-series. Level 1 version 5.1 dataset – released 2018 Level 2 GDP version 5.0 dataset – released 2012 TCWV Climate product – from Evolution project – released 2018 All GOME datasets span the period from June 1995 to July 2011. The GOME-Evolution TCWV Climate product covers the period from July 1995 to December 2015. Details on the datasets currently distributed are in the ERS-2 GOME Products availability Table GOME Level 1 version 5.1 The GOME Level 1 Data Processor (GDP) Version 5.1 was developed within the GOME Evolution and Outreach project (2014-2017) and was used to perform the first complete post-operational Level 0-to-1 full-mission reprocessing campaign with output products in NetCDF-4 format. The GOME Level 1b dataset version 5.1 provides fully calibrated Earthshine radiances, and it brings significant quality improvements with respect to the quality of the data for the revised calibration approach. Users of GOME Level 1 products are strongly recommended to migrate to this dataset. Note that no operational Level 2 processing was carried out from these data. GOME Level 1 version 5 Technical Documents: Algorithm Theoretical Baseline Document (ATBD) Product User Manual (PUM) Products Quality Readme File GOME Validation Report GOME Level 2 The GOME Level 2 Data Processor Version 5 (GDP 5 in short) was used to perform the latest post-operational Level 2 full mission reprocessing campaign, which was based on the old GOME Level 1 version 4 data. The Level 2 dataset (HDF-5 format) was released on 14 September 2012 and includes total column densities of ozone and nitrogen dioxide, and cloud parameters. GOME Level 2 version 5 Technical Documents: Products Quality Readme File Algorithm Theoretical Baseline Description (ATBD) Product User Manual GOME GDP 5 Validation Report Additional information can be found on the DLR / ATMOS website. GOME TCWV Climate product The ESA GOME-Evolution Climate water vapour product presents homogenized time-series of the global distribution of water vapour total columns (TCWV) spanning over more than two decades and based on measurements from the satellite instruments GOME, SCIAMACHY, and MetOp-A GOME. Details are available in Beirle et al., 2018. GOME TCWV Climate product Technical Documents: ESSD paper by S. Beirle et al. 2018 GOME TCWV Products Quality Readme File Danielczok, A. and Schröder, M. - GOME Evolution Climate product validation report, version 2, 2017 Grossi, M. - GOME Evolution Climate Product - Comparison results: time series, 2017 GOME TCWV Advanced AMF Algorithm (A3) product In the framework of the ESA GOME-Evolution project, an additional improved water vapour total columns (TCWV) product was developed by the Max-Planck-Institute for Chemistry (Mainz, Germany) adopting the Advanced AMF (A³) Algorithm. Validation of the resulting products showed the consistency of the global H2O VCD distribution with existing datasets, but also clearly indicated a strong dependence on cloud properties. Acceptable results were only obtained for medium cloud conditions. As the new product has not reached the expected maturity and further investigations are required, the resulting dataset is currently not open to the users. GOME TCWV Advanced AMF Algorithm (A3) product Technical Documents: Algorithm Theoretical Baseline Description (ATBD)

  • Instrument - Spectrometers/Radiometers

    Instrument - Spectrometers/Radiometers

    GOME CAL/VAL

    dark current and LED measurements (pixel-to-pixel gain)

  • Document - Technical Note

    Document - Technical Note

    GOME-1-calibration-Lamp-anomaly-investigation.pdf

    OF CON'rliN'rS 1. INTRODUCTION 4 2. DATA SET USED FOR THIS ANALYSIS 5 3. DATA ANALYSIS 5 3.1 Temporal Behaviour 5 3.1.1 Lamp Voltage 5 3.1.2 Lamp Current 6 3.1.3 Intensity of Emission Lines 7 3.2

  • Document - Quality Report

    Document - Quality Report

    ERS-2 GOME Daily L0 Report 28 Apr 2001

    31485 current: 1 prd

  • Document - Quality Report

    Document - Quality Report

    ERS-2 GOME Daily L0 Report 28 Oct 2000

    28881 CURRENT (nominal ~9

  • Document - Technical Note

    Document - Technical Note

    GOME-Diffuser-and-Dark-Signal-Trends-June-1995-June-2002.pdf

    Dehn, Serco R. Koopman EOP/GOQ ERSESPPAEOPGTN030010, 1.0 Table of Contents 1.0 Introduction 3 2.0 Algorithm Description 3 2.1 Dark Current Algorithms 34 2.2 Diffuser Reflectivity Algorithms .4

  • Document - Technical Note

    Document - Technical Note

    Long-Term-Monitoring-of-GOME-Diffuser-Reflectivity-and-Dark-Signal-Analysis-v2.pdf

    Koopman EEM/ADQ ERSESPPAEOADTN010006, 1.0 Table of Contents 1.0 Introduction 3 2.0 Algorithm Description .3 2.1 Dark Current Algorithms 34 2.2 Diffuser Reflectivity Algorithms .4 3.0 Results

  • Document - Quality Report

    Document - Quality Report

    ERS-2 GOME Daily L0 Report 28 Jul 2001

    32786 current: 1 prd

  • Document - Technical Note

    Document - Technical Note

    GOME Level 0 to 1 Algorithms Description

    . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2.2 Correction for Leakage Current and Determination of Noise 11. . . . . . . . . . . . 2.2.1 Algorithm Update (Issue 4) 12.

  • Document - Technical Note

    Document - Technical Note

    Long Term Monitoring of GOME Diffuser Reflectivity and Dark Signal Analysis

    Results...............................................................................................................................34 3.1 Dark Current

  • Document - Quality Report

    Document - Quality Report

    ERS-2 GOME Daily L0 Report 28 Aug 2001

    ... current: 1 prd

  • Document - Technical Note

    Document - Technical Note

    GOME Instrument Performance Monitoring by using LED Measurements

    continuuma shift of moreor less150BU canbeobserved.This is dueto thedarkcurrent, i.e. the plots of the actual measurements have not been corrected for dark current. Doc. No.:ERTNAPUSDC01 Issue: 1.0 Date

  • Document - Proceedings

    Document - Proceedings

    Dragon Programme Mid-Term Results

    for 115of the world population with 1.45 billion inhabitants and it is currently the world's fastest growing economy. With this rapid growth and the stress it implies on the natural resources and on the

  • Document - General Reference

    Document - General Reference

    The four Candidate Earth Explorer Core Missions - Atmospheric Dynamics Mission

    wind field by demonstrating the capability to correct the major deficiency in windprofiling of the current Global Observing System (GOS) and Global Climate Observing System (GCOS). The ADM will provide

  • Document - Product Cal/Val Plan/Report

    Document - Product Cal/Val Plan/Report

    ERS-2 GOME Data Products Delta Characterisation Report 1999

    assess current and future changes of the atmosphere. Providing the global picture of atmospheric ozone, GOME is also the first and currently the only spacebome instrument having the capability to

  • Document - User Guide

    Document - User Guide

    GOME Users Manual

    Noise of Electrical Chain 61 5.7.2 Signal Chain Offset 62 5.7.3 Saturation Level 62 5.7.4 Dark Current 62 5.7.5 SignaltoNoise Ratios 62 5.8 Slit Function 63 5.9 Polarisation Monitoring Device (PMD) 64

  • Document - Quality Report

    Document - Quality Report

    ERS-2 GOME Daily L0 Report 07 Jan 2000

    Anomalies: 1 - calibration lamp instability: Current: 1 prod