Categories - Hydrosphere

Sub Categories

Topics

lagrangian-ocean-modelling, rivers, tracer, catchment, hydrodynamic-modeling, topography, tides, basins, particle, fluvial-geomorphology, mohid, limnology, nhdplus, tidy-data, particle-tracking, particle-tracing, particle-routing, numerical-modelling, numerical-modeling, beach, unstructured-meshes, surface, particle-transport, passive-tracers, onc, automatic-differentiation, gfd, generalized additive model, hydrograph, support vector machine, water level, data60uk, grdc, kgclimateclass, mopex, chemistry-solver, co2sys, marine-chemistry, seawater-carbonate-chemistry, adjoint, adjoint-sensitivities, seaice, tracers, coops, currents, metocean, sensors-data, water-level, pastas, flooding, leakage, physical-oceanography, basin-evolution, sedimentology, stratigraphy, wflow, land-surface, tva, wrf-hydro, depression-filling, flow-routing, terrain-analysis, hydroshare, irods, solr, coastal-carbon-network, data-synthesis, wetland-science, freshwater-atlas, linear-referencing, streams, ipywidgets, neon, pace, raven, coast, sea-level-rise, hspexp, hspf, bathymetry, depth-estimation, eu-project, magicbathy, ocean-data, ocean-mapping, seabed-mapping, shallow-water, spot6, sepa, faecal, pcraster, rubem, flopy, landsat-5, landsat-9, shoreline-detection, greece, hydrometeorology, hydroscope, meteorological-stations, contaminant-transport, boron, isotope, citz, hydrometrics, fluxes, inverse-model, marine-tracer, ocean-circulation, ocean-model, ocean-navigator, hydrologic-database, hydrologic-networks, hydrologic-sciences, ldd, filters, iwrm, reservoirs, estuary-earth-science, modflow6, surfacehydrology, swb, distributed, jax, multi-core, circulation, estuary, oil-spills, watershed-modeling, salishsea, salishseacast, ubc-moad, heatwaves, marine-heatwaves, ocean-circulation-models, hydrometry, velocimetry, catalogue, knowledge-graph, observations, depth-to-watertable, geostatiscs, gstat, kriging, potentiometer, centerline-detection, centerline-extraction, centreline, fluvial, google-earth, meandering-rivers, river-bank, river-bank-length, river-centerline, river-width, voronoi, eddies, eddy, extraction, oceanic-eddies, alkalinity, seawater, titration, total-alkalinity, d8, hydrography, geodesy, hydrology-simulation, mHM, shud, mountain-features, nhdplus-data, river-runner, sci-viz, usgs-api, usgs-data, yellowstone-national-park, meshes, shallow-water-equations, hydrological-data-analysis, hydrology-statistical, conceptual-hydrological-models, aquifer-parameters, recharge, wfs, input-data, swat-model, passive-microwave, reflectivity, snowfall, trmm, rdf, openstreetmap-data, osm-data, river-network-analysis, topology, wave, coastal-change, coastal-dynamics, coastlines, dea, current, velocity, alkalinity-titrator, ocean-acidification, auv, geospatial-database, robots, channel-morphology, floodplain-reconnection, fluvial-process, hydraulic-geometry, river-engineering, watershed-assessment, hydrogeophysics, birdhouse, pavics,

Projects

Contributors

JoseBecerra1 jabecer3@asu.edu

OST Projects: 1
Categories: Hydrosphere
Sub Categories: Freshwater and Hydrology
Topics: hydrology, hydrology-modeling, hydrology-simulation

Carlos Lizarraga clizarraga@gmail.com

OST Projects: 1
Categories: Hydrosphere
Sub Categories: Freshwater and Hydrology
Topics: cog, environmental-data, geopandas, planet-data, point-cloud, rasterio, spatial-data, stac, torchgeo, zarr and 3 more

Øystein Lande oystelan@gmail.com

OST Projects: 1
Categories: Hydrosphere
Sub Categories: Waves and Currents
Topics:

Andrew Freebairn andrew.freebairn@csiro.au

OST Projects: 1
Categories: Hydrosphere
Sub Categories: Ocean and Hydrology Data Access
Topics: geostatistics, spatio-temporal-analysis

J-M jean-michel.perraud@csiro.au

OST Projects: 1
Categories: Hydrosphere
Sub Categories: Ocean and Hydrology Data Access
Topics: camels-dataset, hydrology, ensemble-streamflow-forecasting, hydrological-modelling, 3d-models, data-mining, facies, facies-classification, geology, lithology and 17 more

biopsichas svajunas.plunge@gmail.com

OST Projects: 1
Categories: Hydrosphere
Sub Categories: Freshwater and Hydrology
Topics: input-data, swat-model, crop-rotation, deposition, preparation, soil-properties, swat, weather

Michael Strauch michael.strauch@ufz.de

OST Projects: 1
Categories: Hydrosphere
Sub Categories: Freshwater and Hydrology
Topics: input-data, swat-model, crop-rotation, deposition, preparation, soil-properties, swat, weather

Aaron Briggs abriggs@contractor.usgs.gov

OST Projects: 1
Categories: Hydrosphere
Sub Categories: Freshwater and Hydrology
Topics: acwi, nhdplus, nldi, usgs-waterdata-labs, water

Althea A. Archer althea.archmiller@gmail.com

OST Projects: 1
Categories: Hydrosphere
Sub Categories: Freshwater and Hydrology
Topics:

clio-met cliom@met.no

OST Projects: 1
Categories: Hydrosphere
Sub Categories: Ocean and Hydrology Data Access
Topics:

Fabien Collas fabien.clls@gmail.com

OST Projects: 1
Categories: Hydrosphere
Sub Categories: Ocean and Hydrology Data Access
Topics:

theaje tjellevold@gmail.com

OST Projects: 1
Categories: Hydrosphere
Sub Categories: Ocean and Hydrology Data Access
Topics:

LottePohl lotte.pohl@imbrsea.eu

OST Projects: 1
Categories: Hydrosphere
Sub Categories: Ocean and Hydrology Data Access
Topics: jerico-relevant, marine

Julia Gustavsen j.gustavsen@gmail.com

OST Projects: 1
Categories: Hydrosphere
Sub Categories: Ocean and Hydrology Data Access
Topics:

Lasse Bjermeland lasse.bjermeland@sintef.no

OST Projects: 1
Categories: Hydrosphere
Sub Categories: Ocean and Hydrology Data Access
Topics:

Travis Hudson Hudson.Travis@epa.gov

OST Projects: 1
Categories: Hydrosphere
Sub Categories: Ocean and Hydrology Data Access
Topics: hydrology, nhdplus, ord, watersheds

Jose Sanchez josesanchez1@csumb.edu

OST Projects: 1
Categories: Hydrosphere
Sub Categories: Ocean and Hydrology Data Access
Topics: auv, geospatial-database, measurements, oceanography, robots, vagrant, virtual-machine, web-app

Raoul Schram r.d.schram@uu.nl

OST Projects: 1
Categories: Hydrosphere
Sub Categories: Waves and Currents
Topics: lagrangian-ocean-modelling, ocean-circulation-models, particles, asreview, balance-strategy, feature-extraction, hyper-parameters, hyperopt, utrecht-university

Andrew McCann andrew.s.mccann@gmail.com

OST Projects: 1
Categories: Hydrosphere
Sub Categories: Ocean and Hydrology Data Access
Topics: auv, geospatial-database, measurements, oceanography, robots, vagrant, virtual-machine, web-app

Emma Daniels e.e.daniels1@uu.nl

OST Projects: 1
Categories: Hydrosphere
Sub Categories: Waves and Currents
Topics: lagrangian-ocean-modelling, ocean-circulation-models, particles

TrellixVulnTeam charles.mcfarland@trellix.com

OST Projects: 1
Categories: Hydrosphere
Sub Categories: Freshwater and Hydrology
Topics: raven, climate, ogc-services, pywps, wps, datascience, flask-api, model-predictive-control, seaborn, selenium and 92 more

Vhati tvtronix@yahoo.com

OST Projects: 1
Categories: Hydrosphere
Sub Categories: Coastal and Reefs
Topics:

Kyle W-M 25kylworc@gmail.com

OST Projects: 1
Categories: Hydrosphere
Sub Categories: Coastal and Reefs
Topics:

Hood Chatham roberthoodchatham@gmail.com

OST Projects: 1
Categories: Hydrosphere
Sub Categories: Ocean Carbon and Temperature
Topics: numerical-methods, closember, astronomy, astrophysics, astropy-affiliated, dynamics, physics, json-schema, parsing, pydantic and 20 more

Joao Rodrigues joao.rodrigues@hidromod.com

OST Projects: 1
Categories: Hydrosphere
Sub Categories: Ocean Models
Topics: biogeochemical-model, catchment, circulation, estuary, hydrodynamic-modeling, lagrangian-ocean-modelling, mohid, ocean, oil-spills, watershed and 1 more

sasahu ssahu@eoas.ubc.ca

OST Projects: 1
Categories: Hydrosphere
Sub Categories: Ocean Models
Topics: ocean-modelling, oceanography, salishsea, salishseacast, ubc-moad

Susan Allen sallen@eoas.ubc.ca

OST Projects: 1
Categories: Hydrosphere
Sub Categories: Ocean Models
Topics: ocean-modelling, oceanography, oil-spills, salishsea, ubc-moad, nemo-ocean, salishseacast, nemo, xios, ubc-mo and 5 more

Ben Moore-Maley bmoorema@eoas.ubc.ca

OST Projects: 1
Categories: Hydrosphere
Sub Categories: Ocean Models
Topics: ocean-modelling, oceanography, salishsea, salishseacast, ubc-moad, nemo-ocean

Daniel Robb drobb@eoas.ubc.ca

OST Projects: 1
Categories: Hydrosphere
Sub Categories: Ocean Models
Topics: ocean-modelling, oceanography, salishsea, salishseacast, ubc-moad

Yingkai Sha (Kyle) yingkai@eos.ubc.ca

OST Projects: 1
Categories: Hydrosphere
Sub Categories: Ocean Models
Topics: ocean-modelling, oceanography, salishsea, salishseacast, ubc-moad, albumentations, coral-tpu, deeplab-v3-plus, deeplabv3, edge and 10 more

Steven Suttles ssuttles@usgs.gov

OST Projects: 1
Categories: Hydrosphere
Sub Categories: Ocean and Hydrology Data Access
Topics:

Ellyn Montgomery emontgomery@usgs.gov

OST Projects: 1
Categories: Hydrosphere
Sub Categories: Ocean and Hydrology Data Access
Topics:

sccrosby schcrosby@gmail.com

OST Projects: 1
Categories: Hydrosphere
Sub Categories: Ocean and Hydrology Data Access
Topics:

Timothy Cera timothy.cera@noaa.gov

OST Projects: 1
Categories: Hydrosphere
Sub Categories: Freshwater and Hydrology
Topics: hydrology, disaggregation, evaporation, humidity, meteorology, pet, precipitation, radiation, ret, spei and 14 more

Tom Durrant thdurrant@gmail.com

OST Projects: 1
Categories: Hydrosphere
Sub Categories: Waves and Currents
Topics: ocean, spectra, wave

Janneke Pouwels janneke.pouwels@deltares.nl

OST Projects: 1
Categories: Hydrosphere, Natural Resources
Sub Categories: Freshwater and Hydrology, Water Supply
Topics: MODFLOW, groundwater, imod

Shu Qiang.Shu@water.ca.gov

OST Projects: 1
Categories: Hydrosphere
Sub Categories: Coastal and Reefs
Topics:

Nicky Sandhu psandhu@water.ca.gov

OST Projects: 1
Categories: Hydrosphere
Sub Categories: Coastal and Reefs
Topics: groundwater, holoviz, iwfm, hec-dss, hec-ras, swig, time-series-database, water-resources, data-access, data-catalog and 8 more

vzagorovskiy vzagorovskiy@gmail.com

OST Projects: 1
Categories: Hydrosphere
Sub Categories: Freshwater and Hydrology
Topics: hacs, hacs-integration, smartmeter, taipit, tns-energo, basins, d8, hydrography, hydrology, ldd and 2 more

NicWayand nicway@gmail.com

OST Projects: 1
Categories: Hydrosphere
Sub Categories: Freshwater and Hydrology
Topics: antarctic, arctic, pangeo, polar, polar-prediction, prediction, sea-ice, drones, photogrammetry, snow and 1 more

Kevin Green kevin.richard.green@gmail.com

OST Projects: 1
Categories: Hydrosphere
Sub Categories: Freshwater and Hydrology
Topics: numerical-methods, closember

VVionnet vincent.vionnet@gmail.com

OST Projects: 1
Categories: Hydrosphere
Sub Categories: Freshwater and Hydrology
Topics:

Andre Bertoncini andre.sbertoncini@gmail.com

OST Projects: 1
Categories: Hydrosphere
Sub Categories: Freshwater and Hydrology
Topics:

Yuri Artioli yuti@pml.ac.uk

OST Projects: 1
Categories: Hydrosphere
Sub Categories: Ocean Carbon and Temperature
Topics:

Sam Vente savente93@gmail.com

OST Projects: 1
Categories: Hydrosphere
Sub Categories: Freshwater and Hydrology
Topics: geoscience, hydrodynamics, hydrology, package-management, unix

Andrew Gilmore andrew@precisionwre.com

OST Projects: 1
Categories: Hydrosphere
Sub Categories: Ocean and Hydrology Data Access
Topics: data-storage, oracle-database, water-resources

Mitch Weier mitchell.s.weier@usace.army.mil

OST Projects: 1
Categories: Hydrosphere
Sub Categories: Ocean and Hydrology Data Access
Topics:

William Moses gh@wsmoses.com

OST Projects: 1
Categories: Hydrosphere
Sub Categories: Ocean Circulation Models, Ocean Models
Topics: climate, climate-change, data-assimilation, fluid-dynamics, ocean, algorithmic-differentiation, automatic-differentiation, convex-optimization, derivative-free-optimization, global-optimization and 37 more

Sid siddhartha.bishnu@gmail.com

OST Projects: 1
Categories: Hydrosphere
Sub Categories: Ocean Circulation Models, Ocean Models
Topics: climate, climate-change, data-assimilation, fluid-dynamics, ocean

jules32 jstewart@nceas.ucsb.edu

OST Projects: 1
Categories: Hydrosphere
Sub Categories: Ocean Carbon and Temperature
Topics: carpentries, data-carpentry, ecology, puerto-rico, workshop, ropensci, summary-statistics, unconf, unconf17, unconf16 and 15 more

Daniel Goldberg dngoldberg@gmail.com

OST Projects: 1
Categories: Hydrosphere
Sub Categories: Ocean Circulation Models, Ocean Models
Topics: automatic-differentiation, climate-science, data-assimilation, exoplanets, gfd, mitgcm, ocean-modelling

Garrett Finucane garrettdreyfus@gmail.com

OST Projects: 1
Categories: Hydrosphere
Sub Categories: Ocean Circulation Models, Ocean Models
Topics: automatic-differentiation, climate-science, data-assimilation, exoplanets, gfd, mitgcm, ocean-modelling

schwemro robin.schwemmle@hydrology.uni-freiburg.de

OST Projects: 1
Categories: Hydrosphere
Sub Categories: Freshwater and Hydrology
Topics: hydrology

maxschmi maxschm@yahoo.de

OST Projects: 1
Categories: Hydrosphere
Sub Categories: Freshwater and Hydrology
Topics:

Max Schmit maxschm@hotmail.com

OST Projects: 1
Categories: Hydrosphere
Sub Categories: Freshwater and Hydrology
Topics:

Panagiotis Agrafiotis agrafiotis.panagiotis@gmail.com

OST Projects: 1
Categories: Hydrosphere
Sub Categories: Ocean Models
Topics: aerial-imagery, bathymetry, depth-estimation, earth-observation, eu-project, magicbathy, ocean-data, ocean-mapping, seabed-mapping, semantic-segmentation and 3 more

Jean Bidlot jean.bidlot@ecmwf.int

OST Projects: 1
Categories: Hydrosphere
Sub Categories: Waves and Currents
Topics:

Peter Dueben peter.dueben@ecmwf.int

OST Projects: 1
Categories: Hydrosphere
Sub Categories: Waves and Currents
Topics:

Frederic Vitart frederic.vitart@ecmwf.int

OST Projects: 1
Categories: Hydrosphere
Sub Categories: Waves and Currents
Topics:

Chileen Martinez 1567971755121002@mil

OST Projects: 1
Categories: Hydrosphere
Sub Categories: Freshwater and Hydrology
Topics: risk-analysis, fluvial-geomorphology, channel-morphology, floodplain-reconnection, fluvial-process, hydraulic-geometry, river-engineering, watershed-assessment

Michael Dougherty mike.p.doc.71@gmail.com

OST Projects: 1
Categories: Hydrosphere
Sub Categories: Freshwater and Hydrology
Topics: climate-adaptation, habitat-suitability, njbb, nybem, spatial-analysis, risk-analysis, aquatic-nuisance-species, asian-carp, bookdown, fluvial-geomorphology and 6 more

Dougherty 1402718630@mil

OST Projects: 1
Categories: Hydrosphere
Sub Categories: Freshwater and Hydrology
Topics: fluvial-geomorphology, channel-morphology, floodplain-reconnection, fluvial-process, hydraulic-geometry, river-engineering, watershed-assessment

Barrie Chileen Martinez barrie.chileen@gmail.com

OST Projects: 1
Categories: Hydrosphere
Sub Categories: Freshwater and Hydrology
Topics: risk-analysis, aquatic-nuisance-species, asian-carp, bookdown, fluvial-geomorphology, channel-morphology, floodplain-reconnection, fluvial-process, hydraulic-geometry, river-engineering and 1 more

Freya E Olsson freyao@tc006.cm.cluster

OST Projects: 1
Categories: Hydrosphere
Sub Categories: Freshwater and Hydrology
Topics:

Ycai Yujia.Cai@water.ca.gov

OST Projects: 1
Categories: Hydrosphere
Sub Categories: Coastal and Reefs
Topics:

Cheng Da cheng.da@nasa.gov

OST Projects: 1
Categories: Hydrosphere
Sub Categories: Ocean Models
Topics: 3dvar, 4dvar, data-assimilation, enkf, ensemble, hydrid, letkf, numerical-weather-prediction, nwp, predictability and 5 more

Avik Pal avik.pal.2017@gmail.com

OST Projects: 1
Categories: Hydrosphere
Sub Categories: Ocean Models
Topics: optim, optimisation, unconstrained-optimisation, unconstrained-optimization, dae, dde, differential-equations, ode, sciml, sde and 23 more

Avik Pal avikpal@mit.edu

OST Projects: 1
Categories: Hydrosphere
Sub Categories: Ocean Models
Topics: 3d-computer-vision, 3d-reconstruction, 3d-vision-library, point-cloud, triangle-mesh, dae, dde, developer-tools, differential-equations, ode and 87 more

Angie-P angelica.pesce98@gmail.com

OST Projects: 1
Categories: Hydrosphere
Sub Categories: Waves and Currents
Topics: ocean, ocean-modelling, trajectory

Nitin Tejuja nitin.tejuja12@gmail.com

OST Projects: 1
Categories: Hydrosphere
Sub Categories: Freshwater and Hydrology
Topics: hydro, hydrologic-database, hydrologic-modeling, hydrologic-networks, hydrologic-sciences, hydrology, hydrology-stormwater-analysis, hydroshare, irods, solr

brandon.reichl brandon.reichl@noaa.gov

OST Projects: 1
Categories: Hydrosphere
Sub Categories: Ocean Models
Topics:

Tierolf ltf200@node240.cm.cluster

OST Projects: 1
Categories: Hydrosphere
Sub Categories: Freshwater and Hydrology
Topics:

Gianfranco Di Pietro gianfrancodipietro@gmail.com

OST Projects: 1
Categories: Hydrosphere
Sub Categories: Coastal and Reefs
Topics: coastal-engineering, landsat-5, landsat-7, landsat-8, landsat-9, sentinel-2, shoreline-detection

Michel Bechtold michel.bechtold@kuleuven.be

OST Projects: 1
Categories: Hydrosphere
Sub Categories: Freshwater and Hydrology
Topics:

SanderStroms Sander.Stromsheim@hotmail.com

OST Projects: 1
Categories: Hydrosphere
Sub Categories: Ocean and Hydrology Data Access
Topics:

Rondeau-Genesse gabron1@ouranos.ca

OST Projects: 1
Categories: Hydrosphere
Sub Categories: Freshwater and Hydrology
Topics: hydrological-data-analysis, hydrology, hydrology-statistical

neerja-1984 nirjadoshi2003@gmail.com

OST Projects: 1
Categories: Hydrosphere
Sub Categories: Ocean and Hydrology Data Access
Topics:

Joachim Meyer jmeyer@boisestate.edu

OST Projects: 1
Categories: Hydrosphere
Sub Categories: Freshwater and Hydrology
Topics:

Tomas Torsvik tomas.torsvik.work@gmail.com

OST Projects: 1
Categories: Hydrosphere
Sub Categories: Ocean Models
Topics:

Taimoor Sohail taimoor.sohail@unimelb.edu.au

OST Projects: 1
Categories: Hydrosphere
Sub Categories: Ocean Models
Topics: climate, climate-change, data-assimilation, fluid-dynamics, ocean

Thomas-Charles Fortier Filion fortierfilion.thomas-charles@mdo.hydro.qc.ca

OST Projects: 1
Categories: Hydrosphere
Sub Categories: Freshwater and Hydrology
Topics: hydrological-data-analysis, hydrology, hydrology-statistical

Michael Dumelle mjdumelle@gmail.com

OST Projects: 1
Categories: Hydrosphere
Sub Categories: Ocean Models
Topics: ord

Margaux Sleckman msleckman@usgs.gov

OST Projects: 1
Categories: Hydrosphere
Sub Categories: Freshwater and Hydrology
Topics:

jcwarner jcwarner@48cfb302-6b48-4dc2-989a-fd0c5d807893

OST Projects: 1
Categories: Hydrosphere
Sub Categories: Coastal and Reefs
Topics:

U-GS\jcwarner jcwarner@IGSAGIEGLTJWA10.gs.doi.net

OST Projects: 1
Categories: Hydrosphere
Sub Categories: Coastal and Reefs
Topics:

U-WHSC\jcwarner jcwarner@IGSAGIEGWSJWA12.whsc.er.usgs.gov

OST Projects: 1
Categories: Hydrosphere
Sub Categories: Coastal and Reefs
Topics:

jcwarner-USGS jcwarner@usgs.gov

OST Projects: 1
Categories: Hydrosphere
Sub Categories: Coastal and Reefs
Topics:

JustinElms justinwelms@gmail.com

OST Projects: 1
Categories: Hydrosphere
Sub Categories: Ocean and Hydrology Data Access
Topics: ocean-model, ocean-navigator, oceanography

Kaysa Vaarre-Lamoureux kvaarre-lamoureux@usgs.gov

OST Projects: 1
Categories: Hydrosphere
Sub Categories: Freshwater and Hydrology
Topics:

Min RK benjaminrk@gmail.com

OST Projects: 1
Categories: Hydrosphere
Sub Categories: Freshwater and Hydrology
Topics: climate, hydrology, land-surface, streamflow, bleeding-edge, computer-algebra, modern, sympy, binder, binderhub and 160 more

Maurice mauricekalthof@gmail.com

OST Projects: 1
Categories: Hydrosphere
Sub Categories: Freshwater and Hydrology
Topics:

wh3248 wh3248@princeton.edu

OST Projects: 1
Categories: Hydrosphere
Sub Categories: Ocean and Hydrology Data Access
Topics:

Will Lytle wl1178@delaware.princeton.edu

OST Projects: 1
Categories: Hydrosphere
Sub Categories: Ocean and Hydrology Data Access
Topics:

George Artavanis ga6@verde.princeton.edu

OST Projects: 1
Categories: Hydrosphere
Sub Categories: Ocean and Hydrology Data Access
Topics:

Amy Defnet amydefnet@princeton.edu

OST Projects: 1
Categories: Hydrosphere
Sub Categories: Ocean and Hydrology Data Access
Topics:

Amy Defnet defnet.amy@gmail.com

OST Projects: 1
Categories: Hydrosphere
Sub Categories: Ocean and Hydrology Data Access
Topics:

amymjohnson4000 amymjohnson4000@gmail.com

OST Projects: 1
Categories: Hydrosphere
Sub Categories: Ocean and Hydrology Data Access
Topics:

dung-manh-nguyen manhdn@met.no

OST Projects: 1
Categories: Hydrosphere
Sub Categories: Ocean and Hydrology Data Access
Topics:

birgitterf birgitterf@met.no

OST Projects: 1
Categories: Hydrosphere
Sub Categories: Ocean and Hydrology Data Access
Topics:

birgitterf birgitte.furevik@met.no

OST Projects: 1
Categories: Hydrosphere
Sub Categories: Ocean and Hydrology Data Access
Topics: