2014英特爾ISEF獲獎作品摘要植物科學 Intel Finalist Abstract Plant Sciences

Category: STEM國際競賽, 國際競賽 Date: 2019年9月6日下午12:05

獲獎作品基本信息

年份	2014
學科	植物科學 Plant Sciences
國家/州	United States of America

獲獎作品名稱

A Computational Model of Tree Growth to Maximize Carbon Sequestration

獲獎作品摘要

Global warming and increased CO2 emissions are becoming a large problem for the world. Tree plantations sequester carbon at up to 30 times the rate of old growth forests, and are a common way of reducing carbon footprints. We have created a computational model of tree growth that can determine optimal conditions for the planting of trees and significantly increase the effectiveness and viability of these plantations. In our model, leaves on the tree generate biomass for growth using photosynthesis. This biomass is used for, in order, root growth, leaf replacement, growth in width proportional to stress, and growing new branches and leaves. Stresses are computed based on forces due to gravity and wind. Branching is proportional to light availability at the branching site. Where possible, biological parameters are taken from naturally observed values and previous research. Extensive recursive algorithms and a voxel grid (3D index of space) are used to achieve efficient simulation and 3D visualization. We validate the model by confirming that generated trees exhibit allometric rules observed in nature, regarding leaf mass, stem mass, height, trunk diameter, and total mass. When exposed to varying light or wind conditions, statistical analysis confirms that the model successfully predicts characteristics of growth including phototropism and anemotropism. To our knowledge, our model is the first to exhibit these emergent properties without explicitly programming them into the model. We demonstrate one potential application of the model by determining the optimal tree spacing to maximize carbon uptake and timber production in a plantation.

高中生科研英特爾 Intel ISEF
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高中生科研學術(shù)活動英特爾 Intel ISEF 簡介

英特爾國際科學與工程大獎賽，簡稱 "ISEF"，由美國 Society for Science and the Public（科學和公共服務(wù)協(xié)會）主辦，英特爾公司冠名贊助，是全球規(guī)模最大、等級最高的中學生的科研科創(chuàng)賽事。ISEF 的學術(shù)活動學科包括了所有數(shù)學、自然科學、工程的全部領(lǐng)域和部分社會科學。ISEF 素有全球青少年科學學術(shù)活動的“世界杯”之美譽，旨在鼓勵學生團隊協(xié)作，開拓創(chuàng)新，長期專一深入地研究自己感興趣的課題。

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英特爾 ISEF 學術(shù)活動詳細介紹

英特爾 ISEF 全程指導方案

· 數(shù)學 · 物理 · 化學 · 生物 · 計算機 · 工程 ·

學科簡介：植物科學 Plant Sciences

Studies of plants and how they live, including structure, physiology, development, and classification. Includes plant cultivation, development, ecology, genetics and plant breeding, pathology, physiology, systematics and evolution.

Subcategories:

Agriculture and Agronomy?(AGR):?Application of the various soil and plant sciences to soil management and agricultural and horticultural crop production. Includes biological and chemical controls of pests, hydroponics, fertilizers and supplements.

Ecology?(ECO):?The study of interactions and relationships among plants, and plants and animals, with their environment.

Genetics and Breeding?(GEN):?The study of organismic and population genetics of plants. The application of plant genetics and biotechnology to crop improvement.?This includes genetically modified crops.

Growth and Development?(DEV):?The study of a plant from earliest stages through germination and into later life. This includes cellular and molecular aspects of development and environmental effects, natural or manmade, on development and growth.

Pathology?(PAT):?The study of plant disease states, and their causes, processes, and consequences. This includes effects of parasites or disease-causing microbes.

Plant Physiology?(PHY):?The study of functions in plants and plant cells. This includes cellular mechanisms such as photosynthesis and transpiration, and how plant processes are affected by environmental factors or natural variations.

Systematics and Evolution?(SYS):?The study of classification of organisms and their evolutionary relationships. This includes morphological, biochemical, genetic, and modeled systems.

Other?(OTH):?Studies that cannot be assigned to one of the above subcategories. If the project involves multiple subcategories, the principal subcategory should be chosen instead of Other.