Access content directly

Rémi Dupas



Image document

A French hydrologist’s research for sustainable agriculture

Rémi Dupas , Ophélie Fovet , Alice H. Aubert , Alain Crave , Jordy Salmon-Monviola
Journal of Hydrology, 2023, 617 (Part A), pp.128907. ⟨10.1016/j.jhydrol.2022.128907⟩
Journal articles insu-03899923v1
Image document

Landscape spatial configuration influences phosphorus but not nitrate concentrations in agricultural headwater catchments

Rémi Dupas , Antoine Casquin , Patrick Durand , Valérie Viaud
Hydrological Processes, 2023, ⟨10.1002/hyp.14816⟩
Journal articles hal-03953928v1

Model-Based Clustering of Trends and Cycles of Nitrate Concentrations in Rivers Across France

Matthew Heiner , Matthew Heaton , Benjamin Abbott , Philip White , Camille Minaudo
Journal of Agricultural, Biological, and Environmental Statistics, 2023, 28 (1), pp.74-98. ⟨10.1007/s13253-022-00513-2⟩
Journal articles hal-04048120v1
Image document

Dispositifs d’observation pour le suivi des flux de phosphore dans un petit cours d’eau en contexte agricole

Mikaël Faucheux , Rémi Dupas , Ophélie Fovet , Laurence Carteaux , Andrès Casanova Gonzalès
NOV'AE, 2022
Journal articles hal-03810280v1

Controls on Spatial Variability in Mean Concentrations and Export Patterns of River Chemistry Across the Australian Continent

Shuci Liu , Rémi Dupas , Danlu Guo , Anna Lintern , Camille Minaudo
Water Resources Research, 2022, 58 (12), pp.e2022WR032365. ⟨10.1029/2022WR032365⟩
Journal articles hal-04150140v1

The influence of climate on water chemistry states and dynamics in rivers across Australia

Anna Lintern , Shuci Liu , Camille Minaudo , Rémi Dupas , Danlu Guo
Hydrological Processes, 2021, 35 (12), ⟨10.1002/hyp.14423⟩
Journal articles hal-03649328v1

Nitrate Transport and Retention in Western European Catchments Are Shaped by Hydroclimate and Subsurface Properties

Sophie Ehrhardt , Pia Ebeling , Rémi Dupas , Rohini Kumar , Jan Fleckenstein
Water Resources Research, 2021, 57 (10), ⟨10.1029/2020WR029469⟩
Journal articles hal-03758864v1
Image document

A hillslope-scale aquifer-model to determine past agricultural legacy and future nitrate concentrations in rivers

Luca Guillaumot , Jean Marçais , Camille Vautier , Aurélie Guillou , Virginie Vergnaud
Science of the Total Environment, 2021, 800, pp.149216. ⟨10.1016/j.scitotenv.2021.149216⟩
Journal articles insu-03320536v1

Spatial and Temporal Variability in Concentration‐Discharge Relationships at the Event Scale

A. Musolff , Q. Zhan , Rémi Dupas , C. Minaudo , J. Fleckenstein
Water Resources Research, 2021, 57 (10), pp.3383-3399. ⟨10.1029/2020WR029442⟩
Journal articles hal-03758859v1
Image document

The influence of landscape spatial configuration on nitrogen and phosphorus exports in agricultural catchments

Antoine Casquin , Rémi Dupas , Sen Gu , Ewan Couic , Gérard Gruau
Landscape Ecology, 2021, 36 (12), pp.3383-3399. ⟨10.1007/s10980-021-01308-5⟩
Journal articles insu-03325139v1
Image document

Spatial Persistence of Water Chemistry Patterns across Flow Conditions in a Mesoscale Agricultural Catchment

Sen Gu , A. Casquin , Rémi Dupas , Benjamin W W Abbott , Patrice Petitjean
Water Resources Research, 2021, 57 (7), pp.e2020WR029053. ⟨10.1029/2020WR029053⟩
Journal articles insu-03283695v1
Image document

Flowpath controls on high‐spatial‐resolution water‐chemistry profiles in headwater streams

Rémi Dupas , Jean Causse , Anne Jaffrézic , Luc Aquilina , Patrick Durand
Hydrological Processes, 2021, 35 (6), pp.e14247. ⟨10.1002/hyp.14247⟩
Journal articles insu-03234573v1

Long‐Term Nitrate Trajectories Vary by Season in Western European Catchments

Pia Ebeling , Rémi Dupas , Benjamin Abbott , Rohini Kumar , Sophie Ehrhardt
Global Biogeochemical Cycles, 2021, 35 (9), ⟨10.1029/2021GB007050⟩
Journal articles hal-03758870v1
Image document

Temperature controls production but hydrology regulates export of dissolved organic carbon at the catchment scale

Hang Wen , Julia Perdrial , Benjamin W Abbott , Susana Bernal , Rémi Dupas
Hydrol. Earth Syst. Sci, 2020, 24, pp.945 - 966. ⟨10.5194/hess-24-945-2020⟩
Journal articles hal-02946354v1

Hydrological and Chemical Controls on Nutrient and Contaminant Loss to Water in Agricultural Landscapes

Magdalena Bieroza , Rémi Dupas , Miriam Glendell , Gavan Mcgrath , Per-Erik Mellander
Water, 2020, 12 (12), pp.3379. ⟨10.3390/w12123379⟩
Journal articles hal-03177215v1
Image document

Predicting nutrient incontinence in the Anthropocene at watershed scales

Rebecca Frei , Benjamin W. Abbott , Rémi Dupas , Sen Gu , Gérard Gruau
Frontiers in Environmental Science, 2020, 7 (200), pp.21. ⟨10.3389/fenvs.2019.00200⟩
Journal articles insu-02413216v1

Long-term nitrogen retention and transit time distribution in agricultural catchments in western France

Rémi Dupas , Sophie Ehrhardt , Andreas Musolff , Ophélie Fovet , Patrick Durand
Environmental Research Letters, 2020, 15 (11), pp.115011. ⟨10.1088/1748-9326/abbe47⟩
Journal articles hal-03134190v1
Image document

River network alteration of C-N-P dynamics in a mesoscale agricultural catchment

Antoine Casquin , Sen Gu , Rémi Dupas , Patrice Petitjean , Gérard Gruau
Science of the Total Environment, 2020, 749, pp.141551. ⟨10.1016/j.scitotenv.2020.141551⟩
Journal articles insu-02915941v1
Image document

Agricultural Practices and Hydrologic Conditions Shape the Temporal Pattern of Soil and Stream Water Dissolved Organic Matter

Guillaume Humbert , Thomas Parr , Laurent Jeanneau , Rémi Dupas , Patrice Petitjean
Ecosystems, 2020, 23 (7), pp.1325-1343. ⟨10.1007/s10021-019-00471-w⟩
Journal articles insu-02417211v1
Image document

Evidence of colloids as important phosphorus carriers in natural soil/stream waters in an agricultural catchment

Sen Gu , Gérard Gruau , Rémi Dupas , Laurent Jeanneau
Journal of Environmental Quality, 2020, 49 (4), pp.921-932. ⟨10.1002/jeq2.20090⟩
Journal articles insu-02611063v1
Image document

Multitemporal Relationships Between the Hydroclimate and Exports of Carbon, Nitrogen, and Phosphorus in a Small Agricultural Watershed

L. Strohmenger , Ophélie Fovet , Nouraya Akkal-Corfini , M. Faucheux , Rémi Dupas
Water Resources Research, 2020, 56 (7), pp.e2019WR026323. ⟨10.1029/2019WR026323⟩
Journal articles insu-02917885v1
Image document

Respective roles of Fe-oxyhydroxide dissolution, pH changes and sediment inputs in dissolved phosphorus release from wetland soils under anoxic conditions

Sen Gu , Gérard Gruau , Rémi Dupas , Patrice Petitjean , Qingman Li
Geoderma, 2019, 338, pp.365-374. ⟨10.1016/j.geoderma.2018.12.034⟩
Journal articles insu-01968884v1
Image document

Distribution of landscape units within catchments influences nutrient export dynamics

Rémi Dupas , Benjamin W Abbott , Camille Minaudo , Ophélie Fovet
Frontiers in Environmental Science, 2019, 7 (43), pp.1-8. ⟨10.3389/fenvs.2019.00043⟩
Journal articles hal-02160144v1

Stability of spatial patterns in water chemistry across temperate ecoregions

Rémi Dupas , C. Minaudo , B. W. Abbott
Environmental Research Letters, 2019, 14 (7), pp.7. ⟨10.1088/1748-9326/ab24f4⟩
Journal articles hal-02392174v1
Image document

Seasonal and event-based concentration-discharge relationships to identify catchment controls on nutrient export regimes

Camille Minaudo , Rémi Dupas , Chantal Gascuel , Vincent Roubeix , Pierre-Alain Danis
Advances in Water Resources, 2019, 131, pp.103379. ⟨10.1016/j.advwatres.2019.103379⟩
Journal articles hal-02377278v1

Influence of hydroclimatic variations on solute concentration dynamics in nested subtropical catchments with heterogeneous landscapes

G. A. Piazza , Rémi Dupas , Chantal Gascuel , C. Grimaldi , A. Pinheiro
Science of the Total Environment, 2018, 635, pp.1091-1101. ⟨10.1016/j.scitotenv.2018.03.394⟩
Journal articles hal-02056883v1

Drying/rewetting cycles stimulate release of colloidal-bound phosphorus in riparian soils

Sen Gu , Gérard Gruau , F. Malique , Rémi Dupas , Patrice Petitjean
Geoderma, 2018, 321, pp.32-41. ⟨10.1016/j.geoderma.2018.01.015⟩
Journal articles insu-01713336v1
Image document

Challenges of Reducing Phosphorus Based Water Eutrophication in the Agricultural Landscapes of Northwest Europe

Roland Bol , Gérard Gruau , Per-Erik Mellander , Rémi Dupas , Marianne Bechmann
Frontiers in Marine Science, 2018, 5, pp.276. ⟨10.3389/fmars.2018.00276⟩
Journal articles insu-01861205v1
Image document

Multidecadal Trajectory of Riverine Nitrogen and Phosphorus Dynamics in Rural Catchments

Rémi Dupas , Camille Minaudo , Gérard Gruau , Laurent Ruiz , Chantal Gascuel
Water Resources Research, 2018, 54 (8), pp.5327-5340. ⟨10.1029/2018wr022905⟩
Journal articles insu-01857435v1
Image document

Seasonal variability of stream water quality response to storm events captured using high-frequency and multi-parameter data

Ophélie Fovet , G. Humbert , Rémi Dupas , Chantal Gascuel , Gérard Gruau
Journal of Hydrology, 2018, 559, pp.282-293. ⟨10.1016/j.jhydrol.2018.02.040⟩
Journal articles insu-01713129v1

Contrasting suspended sediment export in two small agricultural catchments: Cross-influence of hydrological behaviour and landscape degradation or stream bank management

A. Vongvixay , C. Grimaldi , Rémi Dupas , Ophélie Fovet , F. Birgand
Land Degradation and Development, 2018, 29 (5), pp.1385-1396. ⟨10.1002/ldr.2940⟩
Journal articles hal-02014946v1

Non-domestic phosphorus release in rivers during low-flow: Mechanisms and implications for sources identification

Rémi Dupas , Jorg Tittel , Phil Jordan , A. Musolff , Michael Rode
Journal of Hydrology, 2018, 560, pp.141-149. ⟨10.1016/j.jhydrol.2018.03.023⟩
Journal articles hal-02064432v1
Image document

AgrHyS: An Observatory of Response Times in Agro-Hydro Systems

Ophélie Fovet , Laurent Ruiz , Gérard Gruau , Nouraya Akkal-Corfini , Luc Aquilina
Vadose Zone Journal, 2018, 17 (1), 16 p. ⟨10.2136/vzj2018.04.0066⟩
Journal articles insu-01944377v1
Image document

Nonlinear empirical modeling to estimate phosphorus exports using continuous records of turbidity and discharge

Camille Minaudo , Rémi Dupas , Chantal Gascuel , Ophélie Fovet , Per-Erik Mellander
Water Resources Research, 2017, 53 (9), pp.7590--7606. ⟨10.1002/2017WR020590⟩
Journal articles hal-02377287v1

Release of dissolved phosphorus from riparian wetlands: Evidence for complex interactions among hydroclimate variability, topography and soil properties

Sen Gu , Gérard Gruau , Rémi Dupas , Cornelia C. Rumpel , Alexandra Creme
Science of the Total Environment, 2017, 598, pp.421-431. ⟨10.1016/j.scitotenv.2017.04.028⟩
Journal articles insu-01515474v1
Image document

Les zones humides ripariennes, puits ou sources de phosphore dans les paysages agricoles ?

Rémi Dupas , Chantal Gascuel , Ophélie Fovet , Gérard Gruau , Sen Gu
Sciences Eaux & Territoires, 2017, 40 HS, pp.1-6. ⟨10.14758/SET-REVUE.2017.hs.09⟩
Journal articles insu-01617122v1

High‐resolution mapping of soil phosphorus concentration in agricultural landscapes with readily available or detailed survey data

Mariana Matos Moreira , Blandine Lemercier , Rémi Dupas , Didier Michot , Valérie Viaud
European Journal of Soil Science, 2017, 68 (3), pp.281-294. ⟨10.1111/ejss.12420⟩
Journal articles hal-01524318v1
Image document

Carbon and nutrient export regimes from headwater catchments to downstream reaches

Rémi Dupas , Andreas Musolff , James W. Jawitz , P. Suresh C. Rao , Christoph G. Jäger
Biogeosciences, 2017, 14 (18), pp.4391-4407. ⟨10.5194/bg-14-4391-2017⟩
Journal articles hal-02622101v1

The role of mobilisation and delivery processes on contrasting dissolved nitrogen and phosphorus exports in groundwater fed catchments

Rémi Dupas , Per-Erik Mellander , Chantal Gascuel , Ophélie Fovet , Eoin B. Mcaleer
Science of the Total Environment, 2017, 599, pp.1275-1287. ⟨10.1016/j.scitotenv.2017.05.091⟩
Journal articles hal-02625692v1
Image document

Uncertainty assessment of a dominant-process catchment model of dissolved phosphorus transfer

Rémi Dupas , Jordy Salmon-Monviola , K. J. Beven , Patrick Durand , P. M. Haygarth
Hydrology and Earth System Sciences, 2016, 20 (12), pp.4819-4835. ⟨10.5194/hess-20-4819-2016⟩
Journal articles hal-01474578v1
Image document

Les modèles Nutting : une boîte à outils pour estimer des flux et des rétentions d'azote et de phosphore dans les masses d'eau

Pierre-Louis Legeay , Rémi Dupas , Chantal Gascuel-Odoux , Florentina Moatar , Nolwenn Bougon
Sciences Eaux & Territoires, 2016, HS 31, pp.1-9. ⟨10.14758/SET-REVUE.2016.HS.09⟩
Journal articles hal-04023727v1

Explaining and mapping total phosphorus content in French topsoils

Magalie Delmas , Nicolas Saby , Dominique Arrouays , Rémi Dupas , Blandine Lemercier
Soil Use and Management, 2015, 31, pp.259-269. ⟨10.1111/sum.12192⟩
Journal articles hal-01209277v1

Assessing the impact of agricultural pressures on N and P loads and eutrophication risk

Rémi Dupas , Magalie Delmas , Jean-Marcel Dorioz , Josette Garnier , Florentina Moatar
Ecological Indicators, 2015, 48, pp.396-407. ⟨10.1016/j.ecolind.2014.08.007⟩
Journal articles hal-01194821v1

Integrating local knowledge and biophysical modeling to assess nitrate losses from cropping systems in drinking water protection areas

Rémi Dupas , Virginie Parnaudeau , Raymond Reau , Marie-Helene Jeuffroy , Patrick Durand
Environmental Modelling and Software, 2015, 69, pp.101-110. ⟨10.1016/j.envsoft.2015.03.009⟩
Journal articles hal-01215315v1

Geographical modeling of exposure risk to cyanobacteria for epidemiological purposes

Tania Serrano , Rémi Dupas , Erika Upegui , Camille Buscail , Catherine Grimaldi
Environment International, 2015, 81, pp.18--25. ⟨10.1016/j.envint.2015.04.007⟩
Journal articles hal-01175538v1
Image document

Identifying seasonal patterns of phosphorus storm dynamics with dynamic time warping

Rémi Dupas , Romain Tavenard , Ophélie Fovet , Nicolas Gilliet , Catherine Grimaldi
Water Resources Research, 2015, 51 (11), pp.8868-8882. ⟨10.1002/2015WR017338⟩
Journal articles halshs-01228397v1

Distinct export dynamics for dissolved and particulate phosphorus reveal independent transport mechanisms in an arable headwater catchment

Rémi Dupas , Chantal Gascuel , Nicolas Gilliet , Catherine Grimaldi , Gérard Gruau
Hydrological Processes, 2015, 29 (14), pp.3162-3178. ⟨10.1002/hyp.10432⟩
Journal articles insu-01117244v1

Groundwater control of biogeochemical processes causing phosphorus release from riparian wetlands

Rémi Dupas , Gérard Gruau , Sen Gu , Guillaume Humbert , Anne Jaffrézic
Water Research, 2015, 84, pp.307-314. ⟨10.1016/j.watres.2015.07.048⟩
Journal articles insu-01184669v1

Assessing N emissions in surface water at the national level: Comparison of country-wide vs. regionalized models

Chantal Gascuel , Rémi Dupas , Florence Curie , Florentina Moatar , Magalie Delmas
Science of the Total Environment, 2013, 443, pp.152 - 162. ⟨10.1016/j.scitotenv.2012.10.011⟩
Journal articles hal-01209137v1

Payment for ecosystem services - an efficient approach to reduce eutrophication?

Claudia Wiegand , Gérard Gruau , Rémi Dupas , Philippe Le Goffe , Patrick Latouche
International Conference on Toxic Cyanobacteria, May 2019, Kracow, Poland
Conference papers hal-02368415v1

Release and transport dynamics of colloidal phosphorus in a small agricultural catchment

Gérard Gruau , Sen Gu , Laurent Jeanneau , Marie Denis , Patrice Petitjean
European Geosciences Union General Assembly 2018, Apr 2018, Vienne, Austria. pp.EGU2018-7684
Conference papers insu-01767749v1

Groundwater storage as a major control of seasonal stream water quality dynamics during both base and storm flows

Ophélie Fovet , Rémi Dupas , Gérard Gruau , Laurent Jeanneau , Anne Jaffrézic
European Geosciences Union General Assembly 2018, Apr 2018, Vienne, Austria. pp.EGU2018-6532
Conference papers insu-01767782v1

Contrasted response of colloidal, organic and inorganic dissolved phosphorus forms during rewetting of dried riparian soils

Sen Gu , Gérard Gruau , François Malique , Rémi Dupas , Chantal Gascuel
European Geosciences Union General Assembly 2017, European Geosciences Union, Apr 2017, Vienne, Austria. pp.EGU2017-14174-2
Conference papers insu-01510144v1

Release of dissolved phosphorus from riparian vegetated buffer strips: a field assessment of mechanisms and risks

Gérard Gruau , Sen Gu , Patrice Petitjean , Rémi Dupas , Chantal Gascuel
European Geosciences Union General Assembly 2017, European Geosciences Union, Apr 2017, Vienne, Austria. pp.EGU2017-11997-1
Conference papers insu-01510148v1

Effect of climate, intra and inter-annual variability, on nutrients emission (C,N, P) in stream water: lessons from an agricultural long term observatory of the temperate zone

Chantal Gascuel , Rémi Dupas , Patrick Durand , Ophélie Fovet , Gérard Gruau
European Geosciences Union General Assembly 2016, European Geosciences Union, Apr 2016, Vienne, Austria. pp.EGU2016-10577-1
Conference papers insu-01308187v1

Characterizing seasonal variability of storm events based on very high frequency monitoring of hydrological and chemical variables: comparing patterns in hot spots and hot moments for nutrient and sediment export

Ophélie Fovet , Gilbert Thelusma , Guillaume Humbert , Rémi Dupas , Mikaël Faucheux
European Geosciences Union General Assembly 2016, European Geosciences Union, Apr 2016, Vienne, Austria. pp.EGU2016-6884
Conference papers insu-01309213v1

Hydrologic controls on the export dynamics of dissolved and particulate phosphorus in a lowland, headwater agricultural catchment

Rémi Dupas , Catherine Grimaldi , Gérard Gruau , Chantal Gascuel
European Geosciences Union General Assembly 2014, Apr 2014, Vienne, Austria. pp.EGU2014-9964
Conference papers insu-00991601v1

Hydroclimatic Controls on the Seasonal and Inter-Annual Variability of Dissolved Phosphorus Concentration in a Lowland Agricultural Catchment

Rémi Dupas , Chantal Gascuel , Catherine Grimaldi , Gérard Gruau
AGU Fall Meeting 2014, American Geophysical Union, Dec 2014, San Francisco, United States. ⟨10.13140/2.1.1655.3287⟩
Conference papers insu-01113378v1

Comparative analysis of water storage dynamics for two OZCAR observatories using SAS functions and a GR conceptual hydrological model

Alban de Lavenne , Ophélie Fovet , Rémi Dupas , Jordy Salmon-Monviola , Jean Marçais
2nd TERENO-OZCAR Conference, Sep 2023, Bonn, Germany
Conference poster hal-04216147v1

The Influence of Landscape Spatial Distribution on Nitrogen and Phosphorus Concentrations in Headwater Streams

Antoine Casquin , Rémi Dupas , Sen Gu , Patrice Petitjean , Gérard Gruau
American Geophysical Union Fall Meeting 2020 (AGU 2020), Dec 2020, Online, United States. , pp.H057-0015, 2020
Conference poster insu-03222753v1

Eco-hydrological controls on the seasonal variations of NO3 and DOC concentrations in headwater catchments at the regional scale

Stella Guillemot , Ophélie Fovet , Florentina Moatar , Rémi Dupas , Gérard Gruau
European Geosciences Union General Assembly 2019, Apr 2019, Vienne, Austria. , 21, pp.EGU2019-9039, 2019, Geophysical Research Abstracts
Conference poster insu-02310865v1

Release of colloid-bound phosphorus in soils: comparing laboratory extraction experiment results with natural soil solution data

Sen Gu , Gérard Gruau , Laurent Jeanneau , Marie Denis , Patrice Petitjean
European Geosciences Union General Assembly 2018, Apr 2018, Vienne, Austria. Geophysical Research Abstracts, 20, pp.EGU2018-8285, 2018
Conference poster insu-01767757v1

Multi-decadal trajectory of riverine carbon, nitrogen and phosphorus dynamics in rural catchments

Rémi Dupas , Gérard Gruau , Chantal Gascuel , Camille Minaudo
European Geosciences Union General Assembly 2018, Apr 2018, Vienne, Austria. Geophysical Research Abstracts, 20, pp.EGU2018-7399, 2018
Conference poster insu-01767764v1

Using Biogeochemical Tracers to Quantify Catchment Resilience to Nutrient Loading

Rebecca Frei , Benjamin W. Abbott , Rémi Dupas , Sen Gu , Gérard Gruau
American Geophysical Union 2018, Fall Meeting, Dec 2018, Washington, United States. , pp.B21I-2436, 2018
Conference poster insu-01927903v1

Interannual climate variability and spatially heterogeneous improvement of agricultural management impede detection of a decreasing trend in nitrate pollution in an agricultural catchment

Ophélie Fovet , Rémi Dupas , Patrick Durand , Chantal Gascuel , Gérard Gruau
European Geosciences Union General Assembly 2016, Apr 2016, Vienne, Austria. Geophysical Research Abstracts, 18, pp.EGU2016-8174-1, 2016
Conference poster insu-01309206v1

Contrasted distribution of colloidal and true dissolved phosphorus in shallow groundwaters from a small, lowland agricultural

Sen Gu , Gérard Gruau , Rémi Dupas , Camille Rivard , Chantal Gascuel
AGU Fall Meeting 2015, Dec 2015, San Francisco, United States. pp.H11F-1406, 2015
Conference poster insu-01242053v1

Groundwater dynamics in wetland soils control the production and transfer mechanisms of dissolved reactive phosphorus in an agricultural landscape

Rémi Dupas , Sen Gu , Gérard Gruau , Chantal Gascuel
European Geoscience Union General Assembly 2015, Apr 2015, Vienne, Austria. , Geophysiacl Research Abstracts, 17, pp.EGU2015-6550-1, 2015
Conference poster insu-01137647v1

Characterizing intra and inter annual variability of storm events based on very high frequency monitoring of hydrological and chemical variables: what can we learn about hot spots and hot moments from continuous hydro-chemical sensors ?

Ophélie Fovet , Gilbert Thelusma , Guillaume Humbert , Rémi Dupas , Anne Jaffrézic
AGU Fall Meeting 2015, Dec 2015, San Francisco, United States. pp.H43C-1518
Conference poster insu-01242048v1