{"slug":"waterwise","name":"WaterWise (GaamaRamma)","hackathon":"nasa-space-apps-2024","tagline":"Map your field, enter the crop and irrigation system, and get a 7-day watering schedule computed from NASA-backed evapotranspiration data.","placement":{"status":"track-winner","awards":["Best Use of Data"],"track":"earth-observation-agriculture"},"team":{"size":5,"members":[],"countries":["US"]},"problem":"Farmers waste or under-supply irrigation water because they cannot turn evapotranspiration and weather data into a daily plan.","solution":"A Next.js web app where a farmer draws a field on a map and enters crop, growth stage and irrigation efficiency; it combines OpenET evapotranspiration, Open-Meteo precipitation and crop coefficients into daily water needs, hours to run the system and field hydration status, with a GPT-3.5 chatbot for farming questions.","demo_moment":null,"build_style":"software-only","tech":{"stack":["nextjs","typescript","python","vercel","leaflet","openstreetmap","openet","open-meteo","openai-api","figma"],"ai_patterns":["llm-api"]},"domains":["agriculture-food","earth-observation"],"analysis":{"why_it_stood_out":[{"claim":"Won the award for making space data accessible or leveraging it for a unique application.","basis":"organizer-stated","source":1},{"claim":"Aims to help farmers manage water availability in the face of drought, pests and disease.","basis":"organizer-stated","source":0},{"claim":"Presents actions rather than raw numbers: hydrated/dehydrated fields, pending irrigation jobs, hours to run tonight.","basis":"team-stated","source":2},{"claim":"Shows its method: field area from polygon vertices with Earth curvature, then water use = (crop coefficient × ET − precipitation) × area.","basis":"team-stated","source":2},{"claim":"The data award went to the entry that turned one expert variable (evapotranspiration) into a single weekly decision.","basis":"curator-inference"}],"mechanisms":["expert-data-for-everyone","one-sentence-clarity","complete-submission-package"],"judging_lens":["challenge-relevance","design-ux","impact"],"lessons":["Pick one expert variable and turn it into one recurring decision (how much to water this week).","Write the formula on the project page; judges of a data award can check it.","The chatbot is an add-on; the schedule is the product."],"confidence":"high"},"links":{"project_page":"https://www.spaceappschallenge.org/nasa-space-apps-2024/find-a-team/gaamaramma/?tab=project","demo":"https://nasa-hackathon-2024-nine.vercel.app/","video":"https://www.youtube.com/watch?v=Wg-gE3kYaas"},"sources":[{"url":"https://www.nasa.gov/learning-resources/stem-engagement-at-nasa/nasa-international-space-apps-challenge-announces-2024-global-winners/","kind":"official-results","retrieved_at":"2026-09-14"},{"url":"https://www.spaceappschallenge.org/nasa-space-apps-2024/awards/","kind":"official-event-page","retrieved_at":"2026-09-14","note":"Award definition."},{"url":"https://www.spaceappschallenge.org/nasa-space-apps-2024/find-a-team/gaamaramma/?tab=project","kind":"project-page","retrieved_at":"2026-09-14","note":"Team-written summary, method, tools, AI-use disclosure (OpenAI chatbot, Perplexity for code edits), data list."}]}