DB2104-T0026-2023.根径-胸径对照表+硬阔

ICS65.020.01B60

DB2104抚 顺 市 地 方 标 准DB2104/T0026-2023根径-胸径对照表硬阔20232023040320230503实施抚顺市市场监督管理局发布DB2104/T0026-2023DB2104/T0026-2023目 次前言 II范围 1规范性引用文件 1术语和定义 1确定模型 2根径-胸径对照表建立和使用 2附录A（规范性附录）根径-胸径对照表硬阔 3II前 言本文件按照GB/T1.1—2020《标准化工作导则第1部分：标准化文件的结构和起草规则》的规定起草。本文件由新宾满族自治县自然资源事务服务中心提出。本文件由抚顺市自然资源局归口。本文件起草单位：新宾满族自治县自然资源事务服务中心。本文件主要起草人：杨振宇、王正利、侯培军、金山、翟金凤、杨振强、王立明、胡喜华、王海旭、胡文宇、孙恒坤、赵光杰、李霞、杨晓红、邱健、李虹、宋殿臣、于国斌、岳杰、封福才、于跃文、许成林、王爱国、盖阔、王守国、张军、李云霄、余连城、荣光、韩玉才、王雷、黄舜威、高鼎淇、邢锡铜、郑扬、骆崇云、尚群松、郭兴隆、聂大光、曹官、赵春雷、刘旭。IIII根径-胸径对照表硬阔范围本文件规定了抚顺市《根径-胸径对照表硬阔》的规范性引用文件、术语和定义、确定模型、根径-胸径对照表建立和使用。本文件适用于硬阔的单株根径-胸径对照测算。规范性引用文件LY/T2416林业数表编制数据采集技术规程术语和定义下列术语和定义适用于本文件。3.13.1硬阔黑桦、色树、榆树、花曲柳、水曲柳、胡桃楸、怀槐、黄波罗等。3.2胸径树干直径分为带皮直径和去皮直径两种，测量单位是厘米（cm）。树干直径随其在树干上的位1.3m3.3根径指林木距地面（坡面时上坡口）5cm处伐根围尺直径。3.4建模单元具有地域的连接性和行政区的完整性以及自然条件的一致性的区域组合。1DB2104/T0026-2023确定模型根径-胸径模型D=1.847422+0.123769D

ln(D

)-0.003798D

…(1)1.3

0.05

0.05

0.05式中：D0.05—根径；D1.3—胸径。根径-胸径对照表建立和使用根径-胸径对照表建立以非线性模型为基础，根据编表样本根径变化范围，按胸径表格式建立根径-胸径对照表硬阔。详见附录A。使用范围6cm-82cm本文件的最终解释权归编制单位。本文件的最终解释权归编制单位。2DB2104/T0026-2023附录A（规范性附录）根径-胸径对照表硬阔表1根径0.00.10.20.30.40.50.60.70.80.964.44.44.54.64.64.74.84.84.95.075.05.15.25.25.35.45.45.55.65.785.75.85.95.966.16.16.26.36.496.46.56.66.76.76.86.96.97.07.1107.27.27.37.47.57.57.67.77.87.8117.98.08.18.18.28.38.48.58.58.6128.78.88.88.99.09.19.19.29.39.4139.59.59.69.79.89.99.910.010.110.21410.210.310.410.510.610.610.710.810.911.01511.011.111.211.311.411.511.511.611.711.81611.911.912.012.112.212.312.312.412.512.61712.712.812.812.913.013.113.213.213.313.41813.513.613.713.713.813.914.014.114.214.21914.314.414.514.614.714.714.814.915.015.12015.215.215.315.415.515.615.715.715.815.92116.016.116.216.316.316.416.516.616.716.82216.816.917.017.117.217.317.417.417.517.62317.717.817.917.918.018.118.218.318.418.52418.518.618.718.818.919.019.119.119.219.32519.419.519.619.619.719.819.920.020.120.22620.220.320.420.520.620.720.820.820.921.02721.121.221.321.421.421.521.621.721.821.92822.022.122.122.222.322.422.522.622.722.72922.822.923.023.123.223.323.323.423.523.63023.723.823.923.924.024.124.224.324.424.53124.524.624.724.824.925.025.125.225.225.33225.425.525.625.725.825.825.926.026.126.23326.326.426.426.526.626.726.826.927.027.03427.127.227.327.427.527.627.727.727.827.93528.028.128.228.328.328.428.528.628.728.83628.928.929.029.129.229.329.429.529.529.633DB2104/T0026-2023根径-胸径对照表硬阔表1（续）根径0.00.10.20.30.40.50.60.70.80.93729.729.829.930.030.130.230.230.330.430.53830.630.730.830.830.931.031.131.231.331.43931.431.531.631.731.831.932.032.032.132.24032.332.432.532.632.632.732.832.933.033.14133.233.233.333.433.533.633.733.833.833.94234.034.134.234.334.334.434.534.634.734.84334.934.935.035.135.235.335.435.535.535.64435.735.835.936.036.136.136.236.336.436.54536.636.636.736.836.937.037.137.237.237.34637.437.537.637.737.737.837.938.038.138.24738.338.338.438.538.638.738.838.838.939.04839.139.239.339.339.439.539.639.739.839.84939.940.040.140.240.340.440.440.540.640.75040.840.940.941.041.141.241.341.441.441.55141.641.741.841.941.942.042.142.242.342.45242.442.542.642.742.842.942.943.043.143.25343.343.343.443.543.643.743.843.843.944.05444.144.244.344.344.444.544.644.744.844.85544.945.045.145.245.245.345.445.545.645.75645.745.845.946.046.146.146.246.346.446.55746.646.646.746.846.947.047.047.147.247.35847.447.447.547.647.747.847.947.948.048.15948.248.348.348.448.548.648.748.748.848.96049.049.149.149.249.349.449.549.549.649.76149.849.949.950.050.150.250.350.350.450.56250.650.750.750.850.951.051.151.151.251.36351.451.551.551.651.751.851.951.952.052.16452.252.352.352.452.552.652.752.752.852.96553.053.053.153.253.353.453.453.553.653.76653.853.853.954.054.154.154.254.354.454.56754.554.654.754.854.854.955.055.155.255.26855.355.455.555.555.655.755.855.955.956.06956.156.256.256.356.456.556.556.656.756.87056.956.957.057.157.257.257.357.457.557.57157.657.757.857.857.958.058.158.258.258.344DB2104/T0026-2023根径-胸径对照表硬阔表1（续）根径0.00.10.20.30.40.50.60.70.80.97258.458.558.558.658.758.858.858.959.059.17359.159.259.359.459.459.559.659.759.759.87459.960.060.060.160.260.360.360.460.560.67560.660.760.860.960.961.061.161.261.261.37661.461.561.561.661.761.861.861.962.062.17762.162.262.362.362.462.562.662.6