Tree Inventory on Main Campus 2025
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1. Title & Overview Dataset Name: Tree Inventory on Main Campus 2021 Summary: Spatial dataset of Trees on Temple University Main Campus, including environmental characteristics. Geographic Coverage: Temple University Main Campus, Philadelphia, PA Time Period: Created June 11th 2021; last updated July 11th 2022 2. Purpose & Use Intended Use: To visualize Tree inventory and their benefits on Temple University Main Campus in 2021 for mapping, analysis, and operational reference. Limitations: No documented constraints, scale issues, or known data caveats; users should verify suitability for high‑precision applications. Update Frequency: Updated on an as‑needed basis. 3. Data Source & Methodology Source(s): Temple University Office of Sustainability Collection Method: Not formally documented. Processing Steps: Key transformations, cleaning steps, and calculations are not fully documented. 4. Variable Breakdown (Attribute Table Fields) -ObjectID_12 (Object ID): Object ID. Example: "1194" -ObjectID (Long): Object ID. Example: "1194" -GlobalID (Text): Global Identifier. Example: "{2E85C71C-219E-4870-AF72-96B86DE17F67}" -CreationDate (Date): Date when tree was assessed. Example: "8/29/2021 9:46:00.000 PM" -what_is_the_Grid_Number_ (Text): Grid Number. Example: "EEE4" -Tree_name_Scientific_ (Text): Scientific Name. Example: "Cornus florida" -DBH1 (Long): Diameter at Breast Height. Example: "21.00847" -DBH2 (Long): Diameter at Breast Height. Example: "0" -DBH3 (Long): Diameter at Breast Height. Example: "0" -Overall_Health_Please_select_1_ (Text): Health index. Example: "4_Healthy" -Height (Double): Height in feet. Example: "12" -Tree_Canopy_Measurement_2_in_feet_ (Long): Tree canopy measurement in feet, first take. Example: "4" -Tree_Canopy_Measurement_1_in_feet_ (Long): Tree canopy measurement in feet, second take. Example: "4" -x (Double): x-coordinate. Example: "-75.151978" -y (Double): y-coordinate. Example: "39.981262" -Canopy_Value (Double): Average of both canopy measurements in feet. Example: "20" -Final_DBH (Double): Final Diameter at Breast Height. Example: "21.00847" -Tree_ID (Double): Id. Example: "1022" -Species_Name (Text): Common name for species. Example: "Bur oak" -Replacement_Value (Double): Replacement cost for the tree. Example: "9293" -Carbon_Storage_lb (Double): Carbon storage potential in pounds. Example: "4342" -Carbon_Storage_dollar (Double): Carbon storage potential in dollar amount. Example: "1165.1" -Gross_Carbon_Sequestration_lb_y (Double): Carbon sequestration in pounds per year. Example: "104.2" -Gross_Carbon_Sequestration_doll (Double): Carbon sequestration in dollar amount per year. Example: "22.32" -Avoided_Runoff_gal_yr (Double): Avoided amount of runoff water in gallons per year. Example: "231" -Avoided_Runoff_dollar_yr (Double): Avoided amount of runoff water in dollar amount per year. Example: "4.23" -Pollution_Removal_oz_yr (Double): Pollution removal in ounces per year. Example: "31.5" -Pollution_removal_dollar_yr (Double): Pollution removal in dollar amount per year. Example: "33.79" -Oxygen_Production_lb_yr (Double): Oxygen production in pounds per year. Example: "237.1" -Total_Annual_Benefits_dollar_yr (Double): Total dollar amount of benefits in dollar amount per year. Example: "60.52" -global_ID (Double): Global Identifier. Example: "1180" -Family (Text): Tree family group. Example: "Hamamelidaceae" -Genus (Text): Genus. Example: "Malus" -Shape (Geometry): Spatial feature representing trees. Example: "Point" 5. Data Quality & Accuracy Positional Accuracy: Approximately 5–10 meters from the true on‑ground location; not survey‑grade. Attribute Accuracy: High; believed to accurately reflect tree inventory at time of creation. Completeness: Some missing or null values. 6. Credits & Attribution Data Owner: Temple University Office of Sustainability Citation: Source: Temple University Office of Sustainability
1. 数据集名称与概况 数据集名称：2021年坦普尔大学校本部树木清查 概况：坦普尔大学校本部树木的空间数据集，包含环境特征信息。 地理覆盖范围：宾夕法尼亚州费城坦普尔大学校本部 时间周期：2021年6月11日创建；2022年7月11日最后更新 2. 用途与使用规范 预期用途：用于可视化2021年坦普尔大学校本部树木清查数据及其生态效益，以支撑绘图、分析及运营参考。 局限性：无记录在案的约束条件、尺度问题或已知数据瑕疵；用户需自行验证其是否适用于高精度应用场景。 更新频率：按需更新 3. 数据源与方法论 数据源：坦普尔大学可持续发展办公室（Temple University Office of Sustainability） 采集方法：未正式归档记录。 处理步骤：关键转换、清洗流程及计算逻辑未完全归档。 4. 变量明细（属性表字段） - ObjectID_12（对象标识，Object ID）：对象唯一标识。示例："1194" - ObjectID（长整型，Long）：对象唯一标识。示例："1194" - GlobalID（全局唯一标识符，Global Identifier）：全局唯一标识。示例："{2E85C71C-219E-4870-AF72-96B86DE17F67}" - CreationDate（日期型，Date）：树木评估日期。示例："8/29/2021 9:46:00.000 PM" - what_is_the_Grid_Number_（文本型，Text）：网格编号。示例："EEE4" - Tree_name_Scientific_（文本型，Text）：物种学名。示例："Cornus florida" - DBH1（长整型，Long）：胸径（Diameter at Breast Height）。示例："21.00847" - DBH2（长整型，Long）：胸径（Diameter at Breast Height）。示例："0" - DBH3（长整型，Long）：胸径（Diameter at Breast Height）。示例："0" - Overall_Health_Please_select_1_（文本型，Text）：健康指数。示例："4_Healthy" - Height（双精度型，Double）：树高，单位为英尺。示例："12" - Tree_Canopy_Measurement_2_in_feet_（长整型，Long）：树冠测量值（英尺），首次测量。示例："4" - Tree_Canopy_Measurement_1_in_feet_（长整型，Long）：树冠测量值（英尺），二次测量。示例："4" - x（双精度型，Double）：X坐标。示例："-75.151978" - y（双精度型，Double）：Y坐标。示例："39.981262" - Canopy_Value（双精度型，Double）：两次树冠测量值的平均值（英尺）。示例："20" - Final_DBH（双精度型，Double）：最终胸径。示例："21.00847" - Tree_ID（双精度型，Double）：树木编号。示例："1022" - Species_Name（文本型，Text）：物种通用名。示例："Bur oak" - Replacement_Value（双精度型，Double）：树木重置成本。示例："9293" - Carbon_Storage_lb（双精度型，Double）：碳储量，单位为磅。示例："4342" - Carbon_Storage_dollar（双精度型，Double）：碳储量经济价值，单位为美元。示例："1165.1" - Gross_Carbon_Sequestration_lb_y（双精度型，Double）：年固碳量，单位为磅。示例："104.2" - Gross_Carbon_Sequestration_doll（双精度型，Double）：年固碳经济价值，单位为美元。示例："22.32" - Avoided_Runoff_gal_yr（双精度型，Double）：年减少径流量，单位为加仑。示例："231" - Avoided_Runoff_dollar_yr（双精度型，Double）：年减少径流量的经济价值，单位为美元。示例："4.23" - Pollution_Removal_oz_yr（双精度型，Double）：年污染物去除量，单位为盎司。示例："31.5" - Pollution_removal_dollar_yr（双精度型，Double）：年污染物去除的经济价值，单位为美元。示例："33.79" - Oxygen_Production_lb_yr（双精度型，Double）：年产氧量，单位为磅。示例："237.1" - Total_Annual_Benefits_dollar_yr（双精度型，Double）：年总效益价值，单位为美元。示例："60.52" - global_ID（双精度型，Double）：全局唯一标识。示例："1180" - Family（文本型，Text）：树科类群。示例："Hamamelidaceae" - Genus（文本型，Text）：树属类群。示例："Malus" - Shape（几何型，Geometry）：代表树木的空间要素。示例："Point" 5. 数据质量与精度 位置精度：与实地真实位置偏差约5-10米，未达到测量级精度。 属性精度：较高，可准确反映数据集创建时的树木清查现状。 完整性：存在部分缺失值或空值。 6. 致谢与归属 数据所有者：坦普尔大学可持续发展办公室（Temple University Office of Sustainability） 引用格式：来源：坦普尔大学可持续发展办公室（Temple University Office of Sustainability）
