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Role of landscaping in creating energy efficient environment

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Role of Landscaping in Creating Energy-Efficient Environment …

Role of Landscaping in Creating Energy-Efficient Environment
By H.S. JOHL and SARBJIT BAHGA

Published in Education , Technology , Business
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  • 1. Role of Landscaping in Creating Energy-Efficient Environment H.S. Johl In association with Sarbjit Singh Bahga
  • 2. Overview:  Landscaping & Greening our Habitat Natural Environment Becomes Extinct in the World Population Explosion in India  Requirements for Well Planned Habitat  People Living & Working in Ugly Surroundings Role of Trees in Conditioning Environment Greening Reduces Global Warming Functionally Suitable Trees Required Landscape by Way of Growing Trees Some Other Landscape Features Use of Functional Trees Urban Landscape Design Principles About Tree: Form & Colour Excellent Trees for Landscaping Conclusions             Role of Landscaping in Creating Energy-Efficient Environment H. S. J
  • 3. Landscaping & Greening our Habitat    Creates Energy Efficient Environment in a very big way. Natural conditioning is achieved. Purify & Beautify all Living, Working & Recreational Spaces. Role of Landscaping in Creating Energy-Efficient Environment H. S. J
  • 4. Natural Environment Becomes Extinct in the World  Landscape = Habitat + Man  Above equation never stable Man – himself constantly changing Quarter million years ago – Men were hunters & food gatherers Did not interfere with nature     Man Progressed:   5000 years ago – started farming Habitat + Farmer -- produced different landscape  250 years ago – started industrialization  Habitat + Industrial Man – created polluted landscape   Population Explosion + Industry – destruction of entire natural environment Global Warming happening due to Industrial Development  NOW NATURAL ENVIRONMENT NOT AVAILABLE ANYWHERE Role of Landscaping in Creating Energy-Efficient Environment H. S. J
  • 5. Population Explosion in India    Population since long crossed 100 crores (1000 Millions). Urban & Rural Habitat exploding at high speed. Almost all highly populated areas are TREELESS, NAKED & BARE Role of Landscaping in Creating Energy-Efficient Environment H. S. J
  • 6. Requirements for Well Planned Habitat  Total area available in India : 850 million acres.  Population in India : 1000 millions.  Medium density for planned habitat : 50 persons per acre.  Area required for planned development : 20 million acres.  It constitutes just 1/45 th part of the total area (approx). Role of Landscaping in Creating Energy-Efficient Environment H. S. J
  • 7. People Living & Working in Ugly Surroundings  Scorching heat of summers.  Sleet & blast of winters.  Dust & Glare.  Polluted air.  Noise.  Ugly surroundings.  Cruel test of physical & mental endurance of people. Role of Landscaping in Creating Energy-Efficient Environment H. S. J
  • 8. Role of Trees in Conditioning Environment  Trees play tremendous role in conditioning environment.  Cut off 69% sun’s heat from the ground.  Reduce wind velocity by 63%.  Reduce dust pollution by 66%.  Reduce noise pollution by 50%.  Planted area cooler in summer & warmer in winter. Role of Landscaping in Creating Energy-Efficient Environment H. S. J
  • 9. Greening Reduces Global Warming  Extensive greening with trees saves world from global warming.  Single tree with large structure and thick foliage: - Produces 4.8 tons of oxygen per day. - Consumes 6 tons of CO2 per day.  Tolerable limits CO2 = 350 ppm.  Present level = 390 ppm. Role of Landscaping in Creating Energy-Efficient Environment H. S. J
  • 10. Functionally Suitable Trees Required Functionally suitable trees are essential for all places of:  LIVING  WORKING  RECREATION Role of Landscaping in Creating Energy-Efficient Environment H. S. J
  • 11. Landscape by Way of Growing Trees       IT is Cheapest & Economical. Most effective method to improve physical environment. Trees once established do not need maintenance. Continue to serve mankind for many hundred years. Provide comfort & beauty. Improve productivity of human beings. Role of Landscaping in Creating Energy-Efficient Environment H. S. J
  • 12. Some Other Landscape Features Lawns, Shrubberies, Hedges, Flower beds,Ground Material, Water features       Contribute in creating energy efficient environment. Beautify buildings. Add pleasure. Make areas attractive & comfortable. But expensive compared to trees. Productive value is much less. Role of Landscaping in Creating Energy-Efficient Environment H. S. J
  • 13. Use of Functional Trees Essential Qualities of Trees to be Used for Landscaping. Trees should be:  Structurally big with abundant foliage.  Very hardy – facing extremes of weather.  Highly durable – having very long life.  Able to stand environmental pollution.  Suitable for agro-climatic conditions.  Indigenous species  Should meet aesthetic requirements. Role of Landscaping in Creating Energy-Efficient Environment H. S. J
  • 14. Urban Landscape Design Principles   Plantation of city roads and streets should be done according to fundamental design principles. Density, Diversity, Form, Colour, Scale to be considered while doing plantation. Role of Landscaping in Creating Energy-Efficient Environment H. S. J
  • 15. Urban Landscape Design Principles    Dense plantation produces excellent composition. Single kind of plants creates excellent collective impact. Trees with big structures & spreading crown creates green tunnel. Role of Landscaping in Creating Energy-Efficient Environment H. S. J
  • 16. Urban Landscape Design Principles With close planting trees develop:  Tall straight trunk.  Narrow high crown.  Does not obstruct views of the city. Role of Landscaping in Creating Energy-Efficient Environment H. S. J
  • 17. Urban Landscape Design Principles  Tall & large sized plants are suitable for narrow streets.  Look fantastic & according to scale. Role of Landscaping in Creating Energy-Efficient Environment H. S. J
  • 18. Urban Landscape Design Principles  Use of large sized plants.  Height more than 10 feet.  Stem thickness not less than 3 inches. Role of Landscaping in Creating Energy-Efficient Environment H. S. J
  • 19. About Tree: Form & Colour       Form & colour of trees – not important for city plantation. With close planting form of tree changes entirely. Open grown trees never make good pattern in urban spaces. Out of 52 weeks in a year, blooming period is merely 2 weeks. Structurally, flowering trees are too small – unfit for city roads & streets Flowering trees only good for gardens, parks, open spaces & homes. Role of Landscaping in Creating Energy-Efficient Environment H. S. J
  • 20. Excellent Trees for Landscaping Neem Pride of India Melia azedarach        Giant Tree. Dense foliage. Hardiest & sturdiest. Very long life–more than 100 yrs. Pollution tolerant. Indigenous. Ideal for landscaping. Role of Landscaping in Creating Energy-Efficient Environment H. S. J
  • 21. Excellent Trees for Landscaping Indian Mahogany Chukrassia tabularis       Structurally very big. Beautiful dark green foliage. Purify environment. Very hardy. Very long life-more than 100 yrs. Excellent for aesthetic plantations. Role of Landscaping in Creating Energy-Efficient Environment H. S. J
  • 22. Excellent Trees for Landscaping Indian Laurel Fig Ficus microcarpa       Giant tree. Foliage – extensive, pretty, shining, dense. Interesting structure with upright, spreading & drooping branches Very long life-more than 100 yrs. Excellent for landscaping. Ideal for big avenues. Role of Landscaping in Creating Energy-Efficient Environment H. S. J
  • 23. Excellent Trees for Landscaping Spreading Ashoka The Mast Tree Polyalthia longifolia        Very tall elegant tree. Symmetrical crown. Structurally strong. Abundant foliage. Excellent for narrow streets. Stands environmental pollution. Very pretty – meets aesthetic requirements. Role of Landscaping in Creating Energy-Efficient Environment H. S. J
  • 24. Excellent Trees for Landscaping Mahogany Swietenia mahogany      Hardy, sturdy & durable tree. Structurally big. Foliage dark green, shining & very beautiful. Stands pollution. Purifies environment. Role of Landscaping in Creating Energy-Efficient Environment H. S. J
  • 25. Excellent Trees for Landscaping Kusam Schleichera oleosa        Most beautiful & striking. Very hardy & durable. Big structure. New foliage crimson in colour. Foliage becomes brilliant yellow in autumn months. Pollution tolerant. Excellent for aesthetic plantations. Role of Landscaping in Creating Energy-Efficient Environment H. S. J
  • 26. Excellent Trees for Landscaping Bahera Terminalia bellerica       Very hardy. Tall. Beautiful. Long life. Pollution tolerant. Highly functional. Role of Landscaping in Creating Energy-Efficient Environment H. S. J
  • 27. Excellent Trees for Landscaping Uriam Bischofia javanica       Large evergreen tree. Very beautiful foliage. Big structure. Very hardy & durable. Pollution tolerant. Foliage colourful in spring & autumn. Role of Landscaping in Creating Energy-Efficient Environment H. S. J
  • 28. Excellent Trees for Landscaping Toon Cedrella tuna       Big structure. Very hardy & durable. Pollution tolerant. Indigenous. New foliage appears in early spring. Excellent for car parking areas. Role of Landscaping in Creating Energy-Efficient Environment H. S. J
  • 29. Excellent Trees for Landscaping Hollock Terminalia myriocarpa        Big structure & strong frame. Very hardy. Highly durable. Pollution tolerant. Excellent for landscaping. Foliage & flowers very pretty. Very long life-more than 100 yrs. Role of Landscaping in Creating Energy-Efficient Environment H. S. J
  • 30. Conclusions:  Design Process must include Landscape.  Trees are important element of design.  Selection of trees is very important.  Result oriented programme of greening needed. Role of Landscaping in Creating Energy-Efficient Environment H. S. J
  • 31. Thank you Role of Landscaping in Creating Energy-Efficient Environment H. S. J