Categories - Natural Resources

Sub Categories

Topics

soil-survey, stormwater, wastewater, digital-soil-mapping, air-quality-data, pedometrics, pedology, climers, landscape-ecology, openair, air-pollution-levels, ncss, s4ss, swmm5, swmm, water-management, toxicology, epanet, gef, covid-19, airquality, aqi, soil-respiration, soil-mapping, integrated-modelling, groundwater-recharge, heatmap, brazil, landscape-metrics, nasis, eda, drought-indices, openaq, ogr, macos-menubar, openfluid-framework, simulators, advection, airly, ensemble-prediction, rainfall-prediction, air-quality-monitor, stochastic-processes, source-energy-balance, radiometric-temperatures, planetary-computer, water-distribution, grass, big-earth-data, eo-datacubes, image-time-series, geomorphometry, satellite-image-time-series, stac-catalog, stac-api, publication, publication-code, soil-texture-classification, neutral-landscape-model, aguaclara, water-treatment, land-change-analysis, kssl, soilweb, human-health-assessment, water-distribution-networks, water-monitoring, awsm, citizenscience, opensensemap, bcgov-csnr, groundwater-data, emissions-model, automated-river-analysis, field-campaigns, ow, geomatics, k-means, landslides-detection, merging-algorithms, object-based-image-analysis, optical-satellite-imagery, rsgislib, waterbalance, waterflux, hydrological, water-security, san-francisco-bay, cropland, fields, pytorch-lightning, drought, drought-index, sgi, spei, spi, deep-percolation, earth-sciences, pse, water-quality-data, airmonitoring, aqs, datamart, environmental-data-retrieval, r03, rprogramming, usepa, spectral-unmixing, civic-apps-team, nhd, gis-based, soil-erosion, surface-runoff, poland, sensor-station, smog, classification-algorithm, hyperspectral-image-classification, open-surface-mining, surface-mining-activities, code-for-america, openoakland, west-oakland, seasonal-calendar, nodemcu, plantower, pm10, pms5003, pms5003st, global-database, idaes-pse, watertap, acquisition, extract-data, smap-data, soil-moisture-sensor, aem, aquatic, estuaries, nutrients, phytoplankton, sediment, suitability-analysis, ismn, qa4sm, goal programming, mathematical programming, model predictive control, multi-objective optimization, reservoir management, stochastic optimization, water resource management, bias, bcgov, frequency-analysis, hydat, summary-statistics, gsflow, pygsflow, wepp, geotechnical-engineering, pygef, defra, spatio-temporal-modeling, terrain, sapper, sensor-community, process-flow-diagram, hbv, hbv-model, matilda, melt, openaq-api, openaq-data, preprocess, read, sm, air-pollutants, air-quality-measurements, cetesb, rio-de-janeiro, sao-paulo, iot-device, MODFLOW, imod, ncss-tech, groundwater-level, water-models, accumulation, epanet-matlab-toolkit, intensity-analysis, land-use-and-land-cover-change, luc-maps, lulc, aqhi, aqhi-canada, cesi, naps, statistical-models, frm4sm, in-situ, algal-bloom, meris, olci, comptox, cigarettes, canairio-firmware, firmware, food-security, soils-revealed, covid19, data-dictionary, naming-conventions, odm, sars-cov-2, hydraulic-modelling, swmmanywhere, air-quality-api, air-quality-index, aqi-readings, waqi, airbase, landtrendr, aquatic-science, lake, mixing, stratification, 1d-cnn, conference, hyperspectral-data, spotpy, hydrographs, well-hydrograph, abwasser, datenmanagement, gep, kanalfernsehen, kataster, kek, leitungskataster, qgep, sewerpipe, sia405, teksi, vsa-dss, vsa-kek, werkinformationen, 2019, conservation-international, land-degradation, ldn, natural-climate-solutions, unccd, ensemble-methods, ensembles, global-sensitivity-analysis, non-intrusive, parameter-estimation, uncertainty-quantification,

Projects

Contributors

Eva Marques [email protected]

OST Projects: 1
Categories: Natural Resources
Sub Categories: Air Quality
Topics:

Daniel Zilber [email protected]

OST Projects: 1
Categories: Natural Resources
Sub Categories: Air Quality
Topics:

Mitchell Manware [email protected]

OST Projects: 1
Categories: Natural Resources
Sub Categories: Air Quality
Topics:

Eva Marques [email protected]

OST Projects: 1
Categories: Natural Resources
Sub Categories: Air Quality
Topics:

dzilber [email protected]

OST Projects: 1
Categories: Natural Resources
Sub Categories: Air Quality
Topics:

Lauren [email protected]

OST Projects: 1
Categories: Natural Resources
Sub Categories: Water Supply, Water Supply and Quality
Topics: citizen-science, water-monitoring, water-quality

Andres Perez Hortal [email protected]

OST Projects: 1
Categories: Natural Resources
Sub Categories: Water Supply, Water Supply and Quality
Topics: advection, ensemble-prediction, forecast-verification, hydrology, nowcasting, optical-flow, precipitation, rainfall, rainfall-prediction, stochastic-processes and 10 more

Simon De Kock [email protected]

OST Projects: 1
Categories: Natural Resources
Sub Categories: Water Supply and Quality
Topics: advection, ensemble-prediction, forecast-verification, hydrology, nowcasting, optical-flow, precipitation, rainfall, rainfall-prediction, stochastic-processes and 2 more

Will Furnass [email protected]

OST Projects: 1
Categories: Natural Resources
Sub Categories: Water Supply, Water Supply and Quality
Topics: environmental-engineering, hydraulics, water-distribution, carpentries, data-carpentry, data-wrangling, ecology, english, lesson, stable and 2 more

Abel Heinsbroek [email protected]

OST Projects: 1
Categories: Natural Resources
Sub Categories: Water Supply, Water Supply and Quality
Topics: environmental-engineering, hydraulics, water-distribution, distribution, epanet, network-analysis, water, chemistry, phreeqc, treatment and 3 more

Robert Janke [email protected]

OST Projects: 1
Categories: Natural Resources
Sub Categories: Water Supply, Water Supply and Quality
Topics: environmental-engineering, hydraulics, water-distribution, ord, teva-spot, teva-spot-gui

rodrperezi [email protected]

OST Projects: 1
Categories: Natural Resources
Sub Categories: Water Supply, Water Supply and Quality
Topics: flopy, hydrogeology, modpath-rw, particles, solute-transport, heterogeneous

fluidmotion [email protected]

OST Projects: 1
Categories: Natural Resources
Sub Categories: Water Supply, Water Supply and Quality
Topics:

Matthias Kuhn [email protected]

OST Projects: 1
Categories: Natural Resources
Sub Categories: Water Supply, Water Supply and Quality
Topics: abwasser, datenmanagement, gep, kanalfernsehen, kataster, kek, leitungskataster, qgep, qgis, sewerpipe and 18 more

Denis Rouzaud [email protected]

OST Projects: 1
Categories: Natural Resources
Sub Categories: Water Supply, Water Supply and Quality
Topics: abwasser, datenmanagement, gep, kanalfernsehen, kataster, kek, leitungskataster, qgep, qgis, sewerpipe and 16 more

Stefan [email protected]

OST Projects: 1
Categories: Natural Resources
Sub Categories: Water Supply, Water Supply and Quality
Topics: abwasser, datenmanagement, gep, kanalfernsehen, kataster, kek, leitungskataster, qgep, qgis, sewerpipe and 8 more

why-not-try-calmer [email protected]

OST Projects: 1
Categories: Natural Resources
Sub Categories: Water Supply, Water Supply and Quality
Topics: abwasser, datenmanagement, gep, kanalfernsehen, kataster, kek, leitungskataster, qgep, qgis, sewerpipe and 6 more

James Halgren [email protected]

OST Projects: 1
Categories: Natural Resources
Sub Categories: Water Supply, Water Supply and Quality
Topics:

Donald Johnson [email protected]

OST Projects: 1
Categories: Natural Resources
Sub Categories: Water Supply, Water Supply and Quality
Topics:

CWatM [email protected]

OST Projects: 1
Categories: Natural Resources
Sub Categories: Water Supply, Water Supply and Quality
Topics: climate-change, hydrogeology, hydrological, hydrological-model, hydrological-modelling, hydrology, water-security

Mikhail Smilovic [email protected]

OST Projects: 1
Categories: Natural Resources
Sub Categories: Water Supply, Water Supply and Quality
Topics: climate-change, hydrogeology, hydrological, hydrological-model, hydrological-modelling, hydrology, water-security

Michael Kala [email protected]

OST Projects: 1
Categories: Natural Resources
Sub Categories: Soil and Land
Topics: gis-based, soil-erosion, surface-runoff

jerabekjak [email protected]

OST Projects: 1
Categories: Natural Resources
Sub Categories: Soil and Land
Topics: gis-based, soil-erosion, surface-runoff

pikorcik [email protected]

OST Projects: 1
Categories: Natural Resources
Sub Categories: Soil and Land
Topics: gis-based, soil-erosion, surface-runoff

jerabekjak [email protected]

OST Projects: 1
Categories: Natural Resources
Sub Categories: Soil and Land
Topics: gis-based, soil-erosion, surface-runoff

kavkapet [email protected]

OST Projects: 1
Categories: Natural Resources
Sub Categories: Soil and Land
Topics: gis-based, soil-erosion, surface-runoff

Jan Devátý [email protected]

OST Projects: 1
Categories: Natural Resources
Sub Categories: Soil and Land
Topics: gis-based, soil-erosion, surface-runoff

ondrej [email protected]

OST Projects: 1
Categories: Natural Resources
Sub Categories: Soil and Land
Topics: gis-based, soil-erosion, surface-runoff

A7med7x7 [email protected]

OST Projects: 1
Categories: Natural Resources
Sub Categories: Air Quality
Topics: hacktoberfest2024

Warsame Yusuf [email protected]

OST Projects: 1
Categories: Natural Resources
Sub Categories: Water Supply, Water Supply and Quality
Topics: covid-19, covid19, data-dictionary, naming-conventions, odm, sars-cov-2, vocabulary, wastewater, cchs, opensci and 1 more

Yulric Sequeira [email protected]

OST Projects: 1
Categories: Natural Resources
Sub Categories: Water Supply, Water Supply and Quality
Topics: covid-19, covid19, data-dictionary, naming-conventions, odm, sars-cov-2, vocabulary, wastewater, cchs, opensci and 4 more

rvyuha [email protected]

OST Projects: 1
Categories: Natural Resources
Sub Categories: Water Supply, Water Supply and Quality
Topics: covid-19, covid19, data-dictionary, naming-conventions, odm, sars-cov-2, vocabulary, wastewater, cchs, opensci and 1 more

dbeaudoinfortin [email protected]

OST Projects: 1
Categories: Natural Resources
Sub Categories: Air Quality
Topics: air-pollution, air-quality, air-quality-data, aqhi, aqhi-canada, canada, cesi, eccc, geoscience, heatmap and 3 more

Jean Beauchamp [email protected]

OST Projects: 1
Categories: Natural Resources
Sub Categories: Air Quality
Topics: air-pollution, air-quality, air-quality-data, aqhi, aqhi-canada, canada, cesi, eccc, geoscience, heatmap and 3 more

dbeaudoinfortin [email protected]

OST Projects: 1
Categories: Natural Resources
Sub Categories: Air Quality
Topics: air-pollution, air-quality, air-quality-data, aqhi, aqhi-canada, canada, cesi, eccc, geoscience, heatmap and 3 more

AaronHastingsVolpe [email protected]

OST Projects: 1
Categories: Natural Resources
Sub Categories: Air Quality
Topics:

wchupp [email protected]

OST Projects: 1
Categories: Natural Resources
Sub Categories: Air Quality
Topics:

Mia [email protected]

OST Projects: 1
Categories: Natural Resources
Sub Categories: Water Supply, Water Supply and Quality
Topics:

Daniele Melini [email protected]

OST Projects: 1
Categories: Natural Resources
Sub Categories: Water Supply, Water Supply and Quality
Topics:

David Mattern [email protected]

OST Projects: 1
Categories: Natural Resources
Sub Categories: Water Supply, Water Supply and Quality
Topics:

Max Joseph [email protected]

OST Projects: 1
Categories: Natural Resources
Sub Categories: Soil and Land
Topics: acquisition, extract-data, smap-data, soil-mapping, soil-moisture, soil-moisture-sensor

Aakash Ahamed [email protected]

OST Projects: 1
Categories: Natural Resources
Sub Categories: Soil and Land
Topics:

Teije van der Horst [email protected]

OST Projects: 1
Categories: Natural Resources
Sub Categories: Soil and Land
Topics: earth-science, soil-moisture, climers, geo

Christoph Reimer [email protected]

OST Projects: 1
Categories: Natural Resources
Sub Categories: Soil and Land
Topics: earth-science, soil-moisture, climers, geo

iteubner [email protected]

OST Projects: 1
Categories: Natural Resources
Sub Categories: Soil and Land
Topics: earth-science, soil-moisture, ascat, climers, geo

pydev pydev@pydev-VirtualBox.(none)

OST Projects: 1
Categories: Natural Resources
Sub Categories: Soil and Land
Topics: earth-science, soil-moisture, climers, geo

rogier [email protected]

OST Projects: 1
Categories: Natural Resources
Sub Categories: Soil and Land
Topics: earth-science, soil-moisture, climers, geo

dschlaep [email protected]

OST Projects: 1
Categories: Natural Resources
Sub Categories: Soil and Land
Topics: simulation-framework, soil-water-balance, simulation-model

Taylor Alexander Brown [email protected]

OST Projects: 1
Categories: Natural Resources
Sub Categories: Soil and Land
Topics: classification-algorithm, coal, hyperspectral-image-classification, open-surface-mining, surface-mining-activities

bdegley4789 [email protected]

OST Projects: 1
Categories: Natural Resources
Sub Categories: Soil and Land
Topics: classification-algorithm, coal, hyperspectral-image-classification, open-surface-mining, surface-mining-activities

Lactem [email protected]

OST Projects: 1
Categories: Natural Resources
Sub Categories: Soil and Land
Topics: classification-algorithm, coal, hyperspectral-image-classification, open-surface-mining, surface-mining-activities

Bryce Egley [email protected]

OST Projects: 1
Categories: Natural Resources
Sub Categories: Soil and Land
Topics: classification-algorithm, coal, hyperspectral-image-classification, open-surface-mining, surface-mining-activities

Taylor Alexander Brown [email protected]

OST Projects: 1
Categories: Natural Resources
Sub Categories: Soil and Land
Topics: classification-algorithm, coal, hyperspectral-image-classification, open-surface-mining, surface-mining-activities

Art Person [aap1] [email protected]

OST Projects: 1
Categories: Natural Resources
Sub Categories: Soil and Land
Topics:

Ryan Murphy ryan@Aspire.(none)

OST Projects: 1
Categories: Natural Resources
Sub Categories: Soil and Land
Topics: simulation-framework, soil-water-balance

CaitlinA [email protected]

OST Projects: 1
Categories: Natural Resources
Sub Categories: Soil and Land
Topics: simulation-framework, soil-water-balance

mhesselbarth [email protected]

OST Projects: 1
Categories: Natural Resources
Sub Categories: Soil and Land
Topics: landscape-ecology, landscape-metrics

laurajanegraham [email protected]

OST Projects: 1
Categories: Natural Resources
Sub Categories: Soil and Land
Topics: landscape-ecology, landscape-metrics, hugo, openscience, landscape

[email protected]

OST Projects: 1
Categories: Natural Resources
Sub Categories: Soil and Land
Topics: retrieval-model, vegetation

Martí Bosch [email protected]

OST Projects: 1
Categories: Natural Resources
Sub Categories: Soil and Land
Topics: land-change-analysis, landscape-ecology, landscape-metrics

Simon Liedtke [email protected]

OST Projects: 1
Categories: Natural Resources
Sub Categories: Soil and Land
Topics: cooperative, dashbord, groups, sustainability, wechange

riot [email protected]

OST Projects: 1
Categories: Natural Resources
Sub Categories: Soil and Land
Topics:

Lene Preuss [email protected]

OST Projects: 1
Categories: Natural Resources
Sub Categories: Soil and Land
Topics:

Marie [email protected]

OST Projects: 1
Categories: Natural Resources
Sub Categories: Soil and Land
Topics:

sascha [email protected]

OST Projects: 1
Categories: Natural Resources
Sub Categories: Soil and Land
Topics: cooperative, dashbord, groups, sustainability, wechange

Laura Klopfleisch [email protected]

OST Projects: 1
Categories: Natural Resources
Sub Categories: Soil and Land
Topics:

Andreas Nüßlein [email protected]

OST Projects: 1
Categories: Natural Resources
Sub Categories: Soil and Land
Topics:

Matthias Brück [email protected]

OST Projects: 1
Categories: Natural Resources
Sub Categories: Soil and Land
Topics:

Simon [email protected]

OST Projects: 1
Categories: Natural Resources
Sub Categories: Soil and Land
Topics:

Simon Liedtke [email protected]

OST Projects: 1
Categories: Natural Resources
Sub Categories: Soil and Land
Topics:

Simon Liedtke [email protected]

OST Projects: 1
Categories: Natural Resources
Sub Categories: Soil and Land
Topics: cycling, velominati, client-library, incubed, merkle-proof, verification

gilbertocamara [email protected]

OST Projects: 1
Categories: Natural Resources
Sub Categories: Soil and Land
Topics: big-earth-data, cbers, earth-observation, eo-datacubes, image-time-series, land-cover-classification, planetary-computer, r-spatial, rspatial, satellite-image-time-series and 3 more

Daniel Aberer [email protected]

OST Projects: 1
Categories: Natural Resources
Sub Categories: Soil and Land
Topics: in-situ, ismn, soil-moisture, climers, frm4sm, geo, qa4sm

GilbertoCamara [email protected]

OST Projects: 1
Categories: Natural Resources
Sub Categories: Soil and Land
Topics: big-earth-data, cbers, earth-observation, eo-datacubes, image-time-series, land-cover-classification, planetary-computer, r-spatial, rspatial, satellite-image-time-series and 3 more

luizassis [email protected]

OST Projects: 1
Categories: Natural Resources
Sub Categories: Soil and Land
Topics: big-earth-data, cbers, earth-observation, eo-datacubes, image-time-series, land-cover-classification, planetary-computer, r-spatial, rspatial, satellite-image-time-series and 3 more

gilbertocamara [email protected]

OST Projects: 1
Categories: Natural Resources
Sub Categories: Soil and Land
Topics: big-earth-data, cbers, earth-observation, eo-datacubes, image-time-series, land-cover-classification, planetary-computer, r-spatial, rspatial, satellite-image-time-series and 3 more

e-sensing project [email protected]

OST Projects: 1
Categories: Natural Resources
Sub Categories: Soil and Land
Topics: big-earth-data, cbers, earth-observation, eo-datacubes, image-time-series, land-cover-classification, planetary-computer, r-spatial, rspatial, satellite-image-time-series and 3 more

Gilberto Camara [email protected]

OST Projects: 1
Categories: Natural Resources
Sub Categories: Soil and Land
Topics: big-earth-data, cbers, earth-observation, eo-datacubes, image-time-series, land-cover-classification, planetary-computer, r-spatial, rspatial, satellite-image-time-series and 3 more

e-sensing project [email protected]

OST Projects: 1
Categories: Natural Resources
Sub Categories: Soil and Land
Topics: big-earth-data, cbers, earth-observation, eo-datacubes, image-time-series, land-cover-classification, planetary-computer, r-spatial, rspatial, satellite-image-time-series and 3 more

e-sensing project [email protected]

OST Projects: 1
Categories: Natural Resources
Sub Categories: Soil and Land
Topics: big-earth-data, cbers, earth-observation, eo-datacubes, image-time-series, land-cover-classification, planetary-computer, r-spatial, rspatial, satellite-image-time-series and 3 more

Felipe felipesouza@rstudio.yhbzotf2nbzejasbvc3btmp3ch.xx.internal.cloudapp.net

OST Projects: 1
Categories: Natural Resources
Sub Categories: Soil and Land
Topics: big-earth-data, cbers, earth-observation, eo-datacubes, image-time-series, land-cover-classification, planetary-computer, r-spatial, rspatial, satellite-image-time-series and 3 more

gilbertocamara [email protected]

OST Projects: 1
Categories: Natural Resources
Sub Categories: Soil and Land
Topics: big-earth-data, cbers, earth-observation, eo-datacubes, image-time-series, land-cover-classification, planetary-computer, r-spatial, rspatial, satellite-image-time-series and 3 more

ammaciel [email protected]

OST Projects: 1
Categories: Natural Resources
Sub Categories: Soil and Land
Topics: big-earth-data, cbers, earth-observation, eo-datacubes, image-time-series, land-cover-classification, planetary-computer, r-spatial, rspatial, satellite-image-time-series and 3 more

SITS [email protected]

OST Projects: 1
Categories: Natural Resources
Sub Categories: Soil and Land
Topics: big-earth-data, cbers, earth-observation, eo-datacubes, image-time-series, land-cover-classification, planetary-computer, r-spatial, rspatial, satellite-image-time-series and 3 more

Rolf Simoes [email protected]

OST Projects: 1
Categories: Natural Resources
Sub Categories: Soil and Land
Topics: big-earth-data, cbers, earth-observation, eo-datacubes, image-time-series, land-cover-classification, planetary-computer, r-spatial, rspatial, satellite-image-time-series and 3 more

Rolf rolfsimoes@rstudio.yhbzotf2nbzejasbvc3btmp3ch.xx.internal.cloudapp.net

OST Projects: 1
Categories: Natural Resources
Sub Categories: Soil and Land
Topics: big-earth-data, cbers, earth-observation, eo-datacubes, image-time-series, land-cover-classification, planetary-computer, r-spatial, rspatial, satellite-image-time-series and 3 more

Gilberto Camara [email protected]

OST Projects: 1
Categories: Natural Resources
Sub Categories: Soil and Land
Topics: big-earth-data, cbers, earth-observation, eo-datacubes, image-time-series, land-cover-classification, planetary-computer, r-spatial, rspatial, satellite-image-time-series and 3 more

Gilberto Camara [email protected]

OST Projects: 1
Categories: Natural Resources
Sub Categories: Soil and Land
Topics: big-earth-data, cbers, earth-observation, eo-datacubes, image-time-series, land-cover-classification, planetary-computer, r-spatial, rspatial, satellite-image-time-series and 3 more

Paul Schreiber [email protected]

OST Projects: 1
Categories: Natural Resources
Sub Categories: Soil and Land
Topics:

Paul Schreiber [email protected]

OST Projects: 1
Categories: Natural Resources
Sub Categories: Soil and Land
Topics: amp, web-stories, wordpress, wordpress-plugin

Reginal redex03-mail@yahoo,com

OST Projects: 1
Categories: Natural Resources
Sub Categories: Soil and Land
Topics: geography, intensity-analysis, land-use-and-land-cover-change, luc-maps, lulc, plot, rasters

tm-ruxandra [email protected]

OST Projects: 1
Categories: Natural Resources
Sub Categories: Soil and Land
Topics:

jgrss [email protected]

OST Projects: 1
Categories: Natural Resources
Sub Categories: Soil and Land
Topics: agriculture, cropland, crops, fields, land-cover, pytorch-lightning, geography, rasterio

Phillip Schuster [email protected]

OST Projects: 1
Categories: Natural Resources
Sub Categories: Water Supply, Water Supply and Quality
Topics: glaciers, hydrological-modelling, hydrology, melt, climate, earth-science, hbv, hbv-model, matilda, spotpy

Georgi [email protected]

OST Projects: 1
Categories: Natural Resources
Sub Categories: Water Supply, Water Supply and Quality
Topics: glaciers, hydrological-modelling, hydrology, melt, climate, earth-science, hbv, hbv-model, matilda, spotpy

Alexander Georgi [email protected]

OST Projects: 1
Categories: Natural Resources
Sub Categories: Water Supply, Water Supply and Quality
Topics: glaciers, hydrological-modelling, hydrology, melt

Phillip Schuster [email protected]

OST Projects: 1
Categories: Natural Resources
Sub Categories: Water Supply, Water Supply and Quality
Topics: glaciers, hydrological-modelling, hydrology, melt, climate, earth-science, hbv, hbv-model, matilda, spotpy

Phillip Schuster phillip,[email protected]

OST Projects: 1
Categories: Natural Resources
Sub Categories: Water Supply, Water Supply and Quality
Topics: glaciers, hydrological-modelling, hydrology, melt, climate, earth-science, hbv, hbv-model, matilda, spotpy

liuly12 [email protected]

OST Projects: 1
Categories: Natural Resources
Sub Categories: Water Supply, Water Supply and Quality
Topics: hydrology, integrated-modelling, pollution, wastewater, water-quality

nullptr [email protected]

OST Projects: 1
Categories: Natural Resources
Sub Categories: Water Supply, Water Supply and Quality
Topics: water, water-management, water-models