Categories - Natural Resources

Sub Categories

Topics

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

Projects

Contributors

3v0k4 [email protected]

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

Adam Uhlir [email protected]

OST Projects: 1
Categories: Natural Resources
Sub Categories: Soil and Land
Topics: jquery-plugin, multi-select, picker, timetracking, toggl, continuous-delivery, ipfs, unit-testing

Evadne Wu [email protected]

OST Projects: 1
Categories: Natural Resources
Sub Categories: Air Quality
Topics: elixir, filtering, ecto, ecto-adapter, ets

David Bitner [email protected]

OST Projects: 1
Categories: Natural Resources
Sub Categories: Air Quality
Topics: ogc-api, spatiotemporal-asset-catalog, stac-api, stac, aws-cdk, aws-lambda, cog, cogeotiff, dynamic, gdal and 26 more

Vikrant Negi [email protected]

OST Projects: 1
Categories: Natural Resources
Sub Categories: Air Quality
Topics: air-pollution, aqi, cigarettes, climate-change, expo, global-warming, pollution, sustainability, app-framework, native-apps and 21 more

shawnwang [email protected]

OST Projects: 1
Categories: Natural Resources
Sub Categories: Air Quality
Topics: geometric-deep-learning, graph-convolutional-networks, graph-neural-networks

Pierre Veissi [email protected]

OST Projects: 1
Categories: Natural Resources
Sub Categories: Air Quality
Topics: air-pollution, aqi, cigarettes, climate-change, expo, global-warming, pollution, sustainability, datagrid, datagrids and 9 more

Nicholas Bob [email protected]

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

Andreas Nüßlein [email protected]

OST Projects: 1
Categories: Natural Resources
Sub Categories: Soil and Land
Topics: alertmanager, alertmanager-webhook, matrix-org, vibora, backups, prometheus-metrics, restic, restic-backups, pil, pillow and 2 more

Clinton Blackburn [email protected]

OST Projects: 1
Categories: Natural Resources
Sub Categories: Air Quality
Topics: air-pollution, air-quality, code-for-america, environmental-justice, openoakland, west-oakland, crime, oakland, supporting-citizen-analysis, ca-form-700 and 18 more

Krzysztof Knapik [email protected]

OST Projects: 1
Categories: Natural Resources
Sub Categories: Air Quality
Topics: buildkite, circleci, jenkins, junit, rspec, activejob, activerecord, mvc, database-cleaner, testing-tools and 2 more

obrok [email protected]

OST Projects: 1
Categories: Natural Resources
Sub Categories: Air Quality
Topics: datastructures, elixir, traversal

DCzajkowski [email protected]

OST Projects: 1
Categories: Natural Resources
Sub Categories: Air Quality
Topics: air-pollution, air-quality, air-quality-monitor, airly, macos-menubar, poland, sensor-station, smog, apps, community and 22 more

Ibrahim Jarif [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, oceanography, podaac, climate, cloud-ide, devtools and 10 more

Sergi Maspons [email protected]

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

Barbara Rzepka [email protected]

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

Ferran [email protected]

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

Daniel Marin [email protected]

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

Jordi B [email protected]

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

Nico Pérez [email protected]

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

Sergi Muñoz [email protected]

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

giswaterdev [email protected]

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

Raymond Nijssen [email protected]

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

Carissa Knipe [email protected]

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

Huidae Cho [email protected]

OST Projects: 1
Categories: Natural Resources
Sub Categories: Water Supply, Water Supply and Quality
Topics: canopy, gdal, landcover-classification, arrays, earth-observation, geospatial-analysis, grass-gis, open-science, parallel-computing, timeseries-analysis and 48 more

John Paton [email protected]

OST Projects: 1
Categories: Natural Resources
Sub Categories: Air Quality
Topics: cookiecutter-data-science, cookiecutter-template, science-research, air-quality, airbase, hut23, hut23-522, bokeh, interactive-plots, notebooks and 20 more

Micha Silver [email protected]

OST Projects: 1
Categories: Natural Resources
Sub Categories: Soil and Land
Topics: biodiversity-informatics, ecology, elter, research-infrastructure

Tom Bland [email protected]

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

Nicklas Larsson [email protected]

OST Projects: 1
Categories: Natural Resources
Sub Categories: Water Supply, Water Supply and Quality
Topics: earth-science, hydrology, modflow, spatio-temporal-modeling, arrays, earth-observation, geospatial-analysis, grass-gis, open-science, parallel-computing and 27 more

Dorian Gerardin [email protected]

OST Projects: 1
Categories: Natural Resources
Sub Categories: Soil and Land
Topics: environmental-engineering, gdal, ogr, openfluid-framework, qt5, simulators

Viktor VN [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

FelixE91 [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

Janneke Pouwels [email protected]

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

Weather-Matt [email protected]

OST Projects: 1
Categories: Natural Resources
Sub Categories: Air Quality
Topics: air-quality, emissions-model

Padilla [email protected]

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

Simon Oliver [email protected]

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

Davide Consoli [email protected]

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

Doug Manuel [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

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

NielsNicolai [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

Antonio Vanegas [email protected]

OST Projects: 1
Categories: Natural Resources
Sub Categories: Air Quality
Topics: air, air-quality, diy-electronics, esp32, ble, bluetooth-low-energy, firmware, co2, meter, monitor and 23 more

Shane Thacker [email protected]

OST Projects: 1
Categories: Natural Resources
Sub Categories: Ecotoxicology
Topics: human-health-assessment, risk-assessment, toxicology, ord

nlewycky [email protected]

OST Projects: 1
Categories: Natural Resources
Sub Categories: Ecotoxicology
Topics: epa-unknown, human-health-assessment, risk-assessment, toxicology, ord, code-generation, intermediate-representation, llvm, virtual-machine, emscripten and 14 more

SkylarMarvel [email protected]

OST Projects: 1
Categories: Natural Resources
Sub Categories: Ecotoxicology
Topics: toxicology

Josh Addington [email protected]

OST Projects: 1
Categories: Natural Resources
Sub Categories: Ecotoxicology
Topics: human-health-assessment, risk-assessment, toxicology, ord

Dayne Filer [email protected]

OST Projects: 1
Categories: Natural Resources
Sub Categories: Ecotoxicology
Topics: toxicology, ccte, comptox, ord, slurm, setup

Preethi Thunga [email protected]

OST Projects: 1
Categories: Natural Resources
Sub Categories: Ecotoxicology
Topics: toxicology

Andy Shapiro [email protected]

OST Projects: 1
Categories: Natural Resources
Sub Categories: Ecotoxicology
Topics: human-health-assessment, risk-assessment, toxicology, ord, cffi, interoperability, coefficientplot, dataviz, forestplot, autocomplete

Matt Munns [email protected]

OST Projects: 1
Categories: Natural Resources
Sub Categories: Ecotoxicology
Topics: human-health-assessment, risk-assessment, toxicology, ord

Cade Karrenberg [email protected]

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

jdhughes-dev [email protected]

OST Projects: 1
Categories: Natural Resources
Sub Categories: Water Supply and Quality
Topics: ensemble-methods, ensembles, global-sensitivity-analysis, non-intrusive, optimization-tools, parallel-computing, parameter-estimation, sensitivity-analysis, uncertainty-quantification

hunterbarber [email protected]

OST Projects: 1
Categories: Natural Resources
Sub Categories: Water Supply, Water Supply and Quality
Topics: idaes-pse, idaesplus, watertap

B0hr [email protected]

OST Projects: 1
Categories: Natural Resources
Sub Categories: Soil and Land
Topics: data-access, lifewatch, oscibio, water

Dimas [email protected]

OST Projects: 1
Categories: Natural Resources
Sub Categories: Soil and Land
Topics: climate, climate-change, conservation, conservation-international, earth, gef, land, land-degradation, ldn, natural-climate-solutions and 5 more

Felipe Carlos [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 15 more

Gilberto gilberto.camara@sits-gpu.4kbcoxjuyntevpfihsfugrns0g.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

Pedro Brito [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

Meg Grasse [email protected]

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

Weber [email protected]

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

Thomas Versteeg [email protected]

OST Projects: 1
Categories: Natural Resources
Sub Categories: Soil and Land
Topics: gef, geotechnical-engineering, pygef

Rob van Putten [email protected]

OST Projects: 1
Categories: Natural Resources
Sub Categories: Soil and Land
Topics: gef, geotechnical-engineering, pygef

Valentin Gartiser [email protected]

OST Projects: 1
Categories: Natural Resources
Sub Categories: Soil and Land
Topics: evapotranspiration, waterbalance, waterflux

Peter Stöckli [email protected]

OST Projects: 1
Categories: Natural Resources
Sub Categories: Soil and Land
Topics: count-model, econometrics, generalized-linear-models, hypothesis-testing, prediction, regression-models, robust-estimation, timeseries-analysis, diffraction, hdf5 and 6 more

Till Frankenbach [email protected]

OST Projects: 1
Categories: Natural Resources
Sub Categories: Soil and Land
Topics: climate, climate-change, conservation, conservation-international, earth, gef, land, land-degradation, ldn, natural-climate-solutions and 5 more

Zhe Zhang [email protected]

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

Spatiotemporal-Exposures-and-Toxicology [email protected]

OST Projects: 1
Categories: Natural Resources
Sub Categories: Ecotoxicology
Topics:

Reif [email protected]

OST Projects: 1
Categories: Natural Resources
Sub Categories: Ecotoxicology
Topics:

Thomas Unterholzner [email protected]

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

peter-n-jansson [email protected]

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

alvarezsergiom1 [email protected]

OST Projects: 1
Categories: Natural Resources
Sub Categories: Soil and Land
Topics: canopy, evapotranspiration, heat, radiometric-temperatures, soil, source-energy-balance

Kenneth Bowen [email protected]

OST Projects: 1
Categories: Natural Resources
Sub Categories: Soil and Land
Topics: geoscience, holoviz, earth-data, earth-science, environmental-simulation, geographic, hydrology, bokeh, colorcet, colormaps and 12 more

Przemysław Dąbek [email protected]

OST Projects: 1
Categories: Natural Resources
Sub Categories: Air Quality
Topics: javascript-framework, nest, nestjs, nodejs-framework, typescript-framework, websockets

Takayuki Matsubara [email protected]

OST Projects: 1
Categories: Natural Resources
Sub Categories: Air Quality
Topics: activejob, activerecord, mvc, code-formatter, rubocop, static-code-analysis, rspec, crash-reporting, ember, error-monitoring and 12 more

Eito Katagiri [email protected]

OST Projects: 1
Categories: Natural Resources
Sub Categories: Air Quality
Topics: prawn, reporting, thinreports, activejob, activerecord, mvc, code-formatter, rubocop, static-code-analysis, rspec and 19 more

wokenny13 [email protected]

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

Gonzalo Pena-Castellanos [email protected]

OST Projects: 1
Categories: Natural Resources
Sub Categories: Water Supply, Water Supply and Quality
Topics: hydraulic-modeling, hydrology-stormwater-analysis, stormwater, swmm, swmm5, hydraulics, hydrology, actions, anaconda, conda and 46 more

danielbernalb [email protected]

OST Projects: 1
Categories: Natural Resources
Sub Categories: Air Quality
Topics: airquality, canairio-firmware, covid-19, esp32, firmware, platformio

roberbike [email protected]

OST Projects: 1
Categories: Natural Resources
Sub Categories: Air Quality
Topics: airquality, canairio-firmware, covid-19, esp32, firmware, platformio

Nelson Castillo [email protected]

OST Projects: 1
Categories: Natural Resources
Sub Categories: Air Quality
Topics: airquality, canairio-firmware, covid-19, esp32, firmware, platformio

humano [email protected]

OST Projects: 1
Categories: Natural Resources
Sub Categories: Air Quality
Topics: airquality, canairio-firmware, covid-19, esp32, firmware, platformio

Mac Tinoco [email protected]

OST Projects: 1
Categories: Natural Resources
Sub Categories: Air Quality
Topics: airquality, canairio-firmware, covid-19, esp32, firmware, platformio

iw2lsi [email protected]

OST Projects: 1
Categories: Natural Resources
Sub Categories: Air Quality
Topics: airquality, canairio-firmware, covid-19, esp32, firmware, platformio

Santiago Ospina De Los Rios [email protected]

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

Santiago Ospina De Los Ríos [email protected]

OST Projects: 1
Categories: Natural Resources
Sub Categories: Water Supply and 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

Clark Van Oyen [email protected]

OST Projects: 1
Categories: Natural Resources
Sub Categories: Water Supply, Water Supply and Quality
Topics: bcgov-csnr, groundwater-data, bcregistry, brain, convolutional-neural-networks, easy-to-use, recurrent-neural-networks, dds

cedar-technologies [email protected]

OST Projects: 1
Categories: Natural Resources
Sub Categories: Water Supply, Water Supply and Quality
Topics: bcgov-csnr, groundwater-data, dds

John Matthew [email protected]

OST Projects: 1
Categories: Natural Resources
Sub Categories: Water Supply, Water Supply and Quality
Topics: bcgov-csnr, groundwater-data, dds

Justin Bousquin [email protected]

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

Crystal Ng [email protected]

OST Projects: 1
Categories: Natural Resources
Sub Categories: Water Supply, Water Supply and Quality
Topics: grass, hydrologic-modeling, hydrology

Tyler Erickson [email protected]

OST Projects: 1
Categories: Natural Resources
Sub Categories: Water Supply, Water Supply and Quality
Topics: esip-lab, cython, gdal, mapbox-satellite-oss, conda, developer-tools, documentation-generator, documentation-tool, fastai, literate-programming and 6 more

Mac Friedrichs [email protected]

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

lapidesd [email protected]

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

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