Deliverables Documents, reports (16) Validation, scaling, assimilation crop health D4.3 Accurate maps, report and article on validation, scaling and assimilation of satellite-based, UAV-based and in situ crop health (M36) R Obj 6 Weather variables for plot scale crop risk assessment D4.4 Report, article, and software algorithms for downscaling of weather variables for plot scale crop risk assessment (M36) R Obj 6 Energy fluxes time series and maps D3.2 Energy fluxes time series (daily for in situ, monthly for satellite-based, at least 12 months) and maps (spatial resolution 250m) (M36) R,D Obj 5 Optimization tool for in situ measurements D5.5 Optimization tool for citizens’ science observations, low cost sensors, and standard in situ measure¬ments, given existing observations and satellite data (M36) R Obj 7 Report on PWV time series GNSS and weather stations D2.3 Report on the retrieval of PWV time series from in situ GNSS and weather stations (M24) R Report on the in-situ networks design and deployment D22 Report on the in situ networks design and deployment comprising of 8 GNSS stations in Ghana 8 stations in Kenya and 5 in Uganda and a network of 10 lightning sensors around Nairobi M36 R Hackathon Report D73 Hackathon Report M46 R Obj 3 Farmers trained and photos (>100) collected D 4.2 Training and incentivization for farmers to take photos performed and photos (>100) collected. M24 D,R Obj 6 Standardization with GEOSS and Copernicus guidelines D5.1 TWIGA Data standardization and management plan in line with GEOSS and Copernicus guidelines (M18) R Obj 7 Calibration protocols in-situ and citizen science D5.4 In-field calibration protocols for in situ observations and citizen science data collection. Training cours¬es at local meteorological services (M36) D, R Obj 7 Report on Co-Creative Product Development and Implementation D72 Report on CoCreative Product Development and Implementation M46 R Obj 3 Proof of concept of the observation and monitoring system D5.2 Proof of concept of the observation and monitoring system. (M18) R Report on the APS retrieval procedure D2.1 Report on the APS retrieval procedure, including results of the validation against GNSS-derived ZTD (M24) R Error models for data D5.3 Error models for data (low-cost sensors, regular station data, citizen science data, satellite data, UAV data, model results, and combinations thereof) (M24) R Obj 7 Delivery precipitable water vapour to GEOSS D24 Data delivery of precipitable water vapour maps time resolution 126 days spatial resolution order of 10 m and time series time resolution order of minutesGEOSS demonstrated including report on the SARGNSS crosscalibration procedure with results of the comparison with numerical weather prediction water vapourrelated products and forecasts M36 R D Obj 4 Flood maps D3.3 Flood maps (spatial resolution 100m, number depends on flood occurrences) (M24) R,D Obj 5 Websites, patent fillings, videos etc. (1) Project Website D8.2 Project Website (M3) D Publications Peer reviewed articles (12) Joint Exploitation of SAR and GNSS for Atmospheric Phase Screens Retrieval Aimed at Numerical Weather Prediction Model Ingestion Author(s): Marco Manzoni, Andrea Virgilio Monti-Guarnieri, Eugenio Realini, Giovanna Venuti Published in: Remote Sensing, Issue 12/4, 2020, Page(s) 654, ISSN 2072-4292 Publisher: Multidisciplinary Digital Publishing Institute (MDPI) DOI: 10.3390/rs12040654 Comparison of Rainfall Products over Sub-Saharan Africa Author(s): Camille Le Coz; Nick van de Giesen Published in: Journal of Hydrometeorology, Issue 1525755X, 2019, Page(s) 553-596, ISSN 1525-755X Publisher: American Meteorological Society DOI: 10.1175/jhm-d-18-0256.1 The International Soil Moisture Network: serving Earth system science for over a decade. Author(s): Wouter Dorigo, Irene Himmelbauer, Daniel Aberer, Lukas Schremmer, Ivana Petrakovic, Luca Zappa, Wolfgang Preimesberger, Angelika Xaver, Frank Annor,Jonas Ardö, Dennis Baldocchi, Günter Blösch, Heye Bogena, Luca Brocca, Jean-Christophe Calvet, Julio J. Camarero, Giorgio Capello, Minha Choi, Michael C. Cosh, Jerome Demarty, Nick van de Giesen, Istvan Hajdu, Karsten H. Jensen, Kasturi Devi Kanniah Published in: Hydrol. Earth Syst. Sci. Discuss., Issue hess-2021-2, 2021, ISSN 1812-2116 Publisher: hessdD DOI: 10.5194/hess-2021-2 High Quality Zenith Tropospheric Delay Estimation Using a Low-Cost Dual-Frequency Receiver and Relative Antenna Calibration Author(s): Krietemeyer, Andreas; van der Marel, Hans; van de Giesen, Nick; ten Veldhuis, Marie-Claire Published in: Remote Sensing, Issue 20724292, 2020, Page(s) 1393, ISSN 2072-4292 Publisher: Multidisciplinary Digital Publishing Institute (MDPI) DOI: 10.3390/rs12091393 A NOVEL PROCEDURE FOR GENERATION OF SAR-DERIVED ZTD MAPS FOR WEATHER PREDICTION: APPLICATION TO SOUTH AFRICA USE CASE Author(s): M. E. Molinari, M. Manzoni, N. Petrushevsky, A. M. Guarnieri, G. Venuti, A. N. Meroni, A. Mascitelli, A. Parodi Published in: The International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences, Issue XLIII-B3-2021, 2021, Page(s) 405-410, ISSN 2194-9034 Publisher: Copernicus DOI: 10.5194/isprs-archives-xliii-b3-2021-405-2021 Variability and accuracy of Zenith Total Delay over the East African tropical region Author(s): Richard Cliffe Ssenyunzi, Bosco Oruru, Florence Mutonyi D’ujanga, Eugenio Realini, Stefano Barindelli, Giulio Tagliaferro, Nick van de Giesen Published in: Advances in Space Research, Issue 64/4, 2019, Page(s) 900-920, ISSN 0273-1177 Publisher: Pergamon Press Ltd. DOI: 10.1016/j.asr.2019.05.027 Correcting Position Error in Precipitation Data Using Image Morphing Author(s): Camille Le Coz, Arnold Heemink, Martin Verlaan, Marie-claire ten Veldhuis, Nick van de Giesen Published in: Remote Sensing, Issue 11/21, 2019, Page(s) 2557, ISSN 2072-4292 Publisher: Multidisciplinary Digital Publishing Institute (MDPI) DOI: 10.3390/rs11212557 Performance of ERA5 data in retrieving Precipitable Water Vapour over East African tropical region Author(s): Richard Cliffe Ssenyunzi, Bosco Oruru, Florence Mutonyi D’ujanga, Eugenio Realini, Stefano Barindelli, Giulio Tagliaferro, Axel von Engeln, Nick van de Giesen Published in: Advances in Space Research, Issue 65/8, 2020, Page(s) 1877-1893, ISSN 0273-1177 Publisher: Pergamon Press Ltd. DOI: 10.1016/j.asr.2020.02.003 Sensitivity of some African heavy rainfall events to microphysics and planetary boundary layer schemes: Impacts on localised storms Author(s): Agostino N. Meroni, Kizito A. Oundo, Richard Muita, Mary‐Jane Bopape, Thizwilondi R. Maisha, Martina Lagasio, Antonio Parodi, Giovanna Venuti Published in: Quarterly Journal of the Royal Meteorological Society, Issue 147/737, 2021, Page(s) 2448-2468, ISSN 0035-9009 Publisher: Royal Meteorological Society DOI: 10.1002/qj.4033 Detection of water vapor time variations associated with heavy rain in northern Italy by geodetic and low-cost GNSS receivers Author(s): Stefano Barindelli, Eugenio Realini, Giovanna Venuti, Alessandro Fermi, Andrea Gatti Published in: Earth, Planets and Space, Issue 70/1, 2018, Page(s) 70:28, ISSN 1880-5981 Publisher: Springer Nature DOI: 10.1186/s40623-018-0795-7 On the Definition of the Strategy to Obtain Absolute InSAR Zenith Total Delay Maps for Meteorological Applications Author(s): Agostino N. Meroni, Marco Montrasio, Giovanna Venuti, Stefano Barindelli, Alessandra Mascitelli, Marco Manzoni, Andrea V. Monti-Guarnieri, Andrea Gatti, Martina Lagasio, Antonio Parodi, Eugenio Realini, Giulio Tagliaferro Published in: Frontiers in Earth Science, Issue 8, 2020, ISSN 2296-6463 Publisher: Front. Earth Sci. DOI: 10.3389/feart.2020.00359 Something fishy going on? Evaluating the Poisson hypothesis for rainfall estimation using intervalometers: results from an experiment in Tanzania Author(s): Didier de Villiers, Marc Schleiss, Marie-Claire ten Veldhuis, Rolf Hut, Nick van de Giesen Published in: Atmospheric Measurement Techniques, Issue 14/8, 2021, Page(s) 5607-5623, ISSN 1867-8548 Publisher: European Geosciences Union DOI: 10.5194/amt-14-5607-2021 Conference proceedings (15) Neutrons fast and slow: Boron-based Large-scale Observation of Soil Moisture (BLOSM) Author(s): Nick Van De Giesen; Edward van Amelrooij Published in: AGU 2021 Fall Meeting, 2021 Publisher: https://www.essoar.org/ DOI: 10.1002/essoar.10508179.1 From InSAR derived relative tropospheric Slant Total Delay maps to absolute Zenith Total Delay maps: comparisons between tropospheric delay products to define a strategy for meteorological applications Author(s): Barindelli, Stefano ; Gatti, Andrea ; Lagasio, Martina ; Manzoni, Marco ; Mascitelli, Alessandra ; Monti Guarnieri, Andrea ; Montrasio, Marco ; Realini, Eugenio ; Tagliaferro, Giulio ; Venuti, Giovanna. Published in: 22nd EGU General Assembly, Issue 4-8 May, 2020, 2020, Page(s) 22nd EGU General Assembly, held online 4-8 May, 2020, id.17920 Publisher: EGU General Assembly A NOVEL PROCEDURE FOR GENERATION OF SAR-DERIVED ZTD MAPS FOR WEATHER PREDICTION: APPLICATION TO SOUTH AFRICA USE CASE Author(s): Monia Elisa Molinari; Marco Manzoni; N. Petrushevsky; Andrea Monti Guarnieri; Giovanna Venuti; Agostino N. Meroni; Alessandra Mascitelli; Andrea Parodi Published in: Int. Arch. Photogramm. Remote Sens., 2021, Page(s) XLIII-B3-2021, 405–410, 2021 Publisher: Copernicus DOI: 10.5194/isprs-archives-xliii-b3-2021-405-2021 New Observational Methods for Water, Weather and Climate in Africa with Results from the TWIGA Project Author(s): Nick van de Giesen Published in: FIG Working Week 2020, Issue Smart surveyors for land and water management, Amsterdam, the Netherlands, 10–14 May 2020, 2020 Publisher: FIG.NET TWIGA project activities for the enhancement of heavy rainfall predictions in Africa: low-cost GNSS network deployment and NWP model parameterization Author(s): Mascitelli, Alessandra ; Niyonkuru Meroni, Agostino ; Barindelli, Stefano ; Manzoni, Marco ; Tagliaferro, Giulio ; Gatti, Andrea ; Realini, Eugenio ; Venuti, Giovanna ; Monti Guarnieri, Andrea. Published in: 22nd EGU General Assembly, held online 4-8 May, 2020, id.16122, Issue 4-8 May, 2020, 2020 Publisher: EGU General Assembly TWIGA: Transforming Water, weather, and climate information through In situ observations for Geo-services in Africa Author(s): Nick van de Giesen, Marie-Claire Ten Veldhuis and Frank O Annor Published in: AGU Fall Meeting 10-14 Dec 2018, Issue PA21B Addressing Societal Challenges Through the Global Earth Observation System of Systems (GEOSS) Posters, 2018 Publisher: AGU GNSS and SAR water vapor products for the enhancement of heavy rainfall prediction in Africa: planned activities and preliminary results within the H2020 TWIGA project Author(s): Giovanna Venuti, Eugenio Realini, Giulio Tagliaferro, Andrea Gatti, Stefano Barindelli, Andrea Monti Guarnieri, Marco Manzoni, and Lisa Pertusini Published in: EGU General Assembly 2019, Issue Vol. 21, EGU2019-16636, 2019, 2019 Publisher: EGU General Assembly Open source hardware for counting and measuring raindrops Author(s): Nick van de Giesen, Rolf Hut, and Dirk van der Lubbe - Sanjuan Published in: EGU General Assembly 2021, Issue vEGU21: Online 19–30 April 2021, 2021 Publisher: EGU General Assembly DOI: 10.5194/egusphere-egu21-2289 Improving crop water use in West Africa in the context of climate change Author(s): S Agoungbome, N van de Giesen, F Annor, M ten Veldhuis Published in: EGU General Assembly 2020, Issue 4-8 May 2020, 2020 Publisher: EGU General Assembly Low-cost, high accuracy Global Navigation Satellite System positioning for understanding floods Author(s): H Winsemius, A Krietemeyer, K van Dongen, I Gayton, F Annor, C Tiberius, H Samboko, N van de Giesen Published in: EGU General Assembly 2020, Issue 4-8 May 2020, 2020, Page(s) EGU2020-8446 Publisher: EGU General Assembly DOI: 10.5194/egusphere-egu2020-844 An assessment of surface shortwave radiation in South Africa Author(s): J. Mendes, J. Botai, N. Zwane, B. Mabasa Published in: ICEP 2019 Conference Proceedings, 2019 Publisher: ICEP Sensors for TWIGA: New observations in Africa to produce actionable information for agriculture, energy generation, and disaster response. Author(s): """Van De Giesen, N.; Ten Veldhuis, M. C.; Annor, F. O.; de Villiers, D."" " Published in: AGU 2018, 2018 Publisher: AGU TWIGA: Sensors for geo-services in Africa. Early results, perspectives, and an invitation Author(s): Nick van de Giesen, Andreas Krietemeyer, Marie-claire ten Veldhuis, Frank Annor Published in: EGU 2018, 2018 Publisher: EGU Say it in 51 bytes: LoRa for hydrological observations Author(s): Nick van de Giesen, Steven Weijs Published in: EGU 2019, 2019 Publisher: EGU Water, Weather and Climate Services for Africa: the case of Ghana and Kenya Author(s): F Annor, N van de Giesen and M ten Veldhuis Published in: EGU General Assembly 2020, Issue 4–8 May 2020, 2020, Page(s) EGU2020-10714 Publisher: EGU DOI: 10.5194/egusphere-egu2020-10714 Other (1) Extreme Precipitation Return Levels for Multiple Durations on a Global Scale Author(s): Gaby J. Gründemann; Enrico Zorzetto; Hylke E. Beck; Marc Schleiss; Nick van de Giesen; Marco Marani; Ruud van der Ent Published in: ESSOAr, 2020 Publisher: https://www.essoar.org/ DOI: 10.1002/essoar.10503814.3 Thesis and dissertations (2) Quantifying flood damage: A case-study in Kumasi, Ghana Author(s): Wiersma, Guus, ten Veldhuis, Marie-claire and van de Giesen, N.C. Published in: 2020 Publisher: Delft university of Technology, Delft, The Netherlands Something fishy going on! Evaluating the Poisson hypothesis for rainfall estimation using intervalometers: first results from an experiment in Tanzania. Author(s): Didier de Villiers Published in: 2019 Publisher: ? Searching for OpenAIRE data... There was an error trying to search data from OpenAIRE No results available
