Скачать или смотреть Maziyar Vaez - Assessment of Blue and Green Water Footprint in Alfalfa Farming in Tropic, UT

This video discusses how to evaluate the blue and green water footprint in alfalfa farming. It explains the concept of water footprint and provides a case study in Tropic, UT. The main findings show that irrigation is the main contributor to the water footprint, and the blue water footprint is eight times larger than the green one.

00:00 👋 Introduction to evaluating blue and green water footprint in alfalfa farming

01:05 💧 Explanation of the water footprint concept and its components (blue, green, grey)

02:30 🌱 Simple method to separate blue and green water footprint

03:50 📊 Importance of Utah in alfalfa production and farming methods used

05:20 📍 Case study in Tropic, UT: irrigation type, ET and effective precipitation data collection

08:10 🌾 Yield calculation using crop model and comparison with national average

09:45 ⚖️ Comparison of blue and green water footprint and key conclusions

11:20 📚 References and further reading

💧 The water footprint concept considers both environmental impact and water resource consumption, making it a comprehensive measure.
🌱 The simple method of separating blue and green water footprint involves comparing evapotranspiration and effective precipitation.
📊 Utah plays a significant role in alfalfa farming, being the fourth main producer in the US with many small and medium farms.
📍 The case study in Tropic, UT focused on a specific field using center pivot irrigation and provided data on ET and effective precipitation.
🌾 The calculated yield of 4.3 tons per hectare in the case study indicates a slightly lower production compared to the national average of 5.1 tons per hectare.
⚖️ The blue water footprint is eight times larger than the green one in alfalfa farming, emphasizing the importance of irrigation in water consumption.
📚 Further research and references are available for those interested in exploring the topic of water footprint in alfalfa farming.