1、ICS 65.020.01B60DB2104抚顺市地方标准DB 2104/T 0026-2023根径-胸径对照表硬阔2023-04-03 发布2023-05-03 实施抚顺市市场监督管理局发 布DB2104/T 0026-2023I目 次前言.II1范围.12规范性引用文件.13术语和定义.14确定模型.25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.3DB2104/T 0026-2023II前 言本文件按照GB/T 1.12020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
2、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、李昀峰、李利业、李钦、富哲锋、袁秀敏、房春果、许水威、杨希恒、赵东伟、王岩、勇环英、纪宏王雷、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。DB2104/T 0026-20231根径-胸径对照表 硬阔1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
3、、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。2规范性引用文件下列文件对于本文件的应用是必不可少的。凡是注日期的引用文件，仅所注日期的版本适用于本文件。凡是不注日期的引用文件，其最新版本（包括所有的修改单）适用于本文件。LY/T 2416 林业数表编制数据采集技术规程3术语和定义下列术语和定义适用于本文件。3.1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置不同而变化，从根颈至树梢树干直径呈现出由大到小的变化规律。其中位于距根颈1.3m
4、处的直径，称为胸高直径，简称为胸径。3.3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。DB2104/T 0026-2023224确定模型根径-胸径模型D1.3=1.847422+0.123769D0.05ln(D20.05)-0.003798D20.05(1)式中：D0.05根径；D1.3胸径。5根径-胸径对照表建立和使用5.1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。5.2使用范围根径-胸径对照表应在编表区域内满足编表单元条件的林木
5、中使用，根径径阶6cm-82cm。本文件可参照确定模型适当推算至根径200cm。本文件的最终解释权归编制单位。DB2104/T 0026-20233AA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
6、.28.38.48.58.58.6128.78.88.88.99.09.19.19.29.39.4139.59.59.69.79.89.99.910.010.110.21410.210.310.410.510.610.610.710.810.911.01511.011.111.211.311.411.511.511.611.711.81611.911.912.012.112.212.312.312.412.512.61712.712.812.812.913.013.113.213.213.313.41813.513.613.713.713.813.914.014.114.214.21914.3
7、14.414.514.614.714.714.814.915.015.12015.215.215.315.415.515.615.715.715.815.92116.016.116.216.316.316.416.516.616.716.82216.816.917.017.117.217.317.417.417.517.62317.717.817.917.918.018.118.218.318.418.52418.518.618.718.818.919.019.119.119.219.32519.419.519.619.619.719.819.920.020.120.22620.220.320
8、.420.520.620.720.820.820.921.02721.121.221.321.421.421.521.621.721.821.92822.022.122.122.222.322.422.522.622.722.72922.822.923.023.123.223.323.323.423.523.63023.723.823.923.924.024.124.224.324.424.53124.524.624.724.824.925.025.125.225.225.33225.425.525.625.725.825.825.926.026.126.23326.326.426.426.5
9、26.626.726.826.927.027.03427.127.227.327.427.527.627.727.727.827.93528.028.128.228.328.328.428.528.628.728.83628.928.929.029.129.229.329.429.529.529.6DB2104/T 0026-20234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.
10、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.
11、437.537.637.737.737.837.938.038.138.24738.338.338.438.538.638.738.838.838.939.04839.139.239.339.339.439.539.639.739.839.84939.940.040.140.240.340.440.440.540.640.75040.840.940.941.041.141.241.341.441.441.55141.641.741.841.941.942.042.142.242.342.45242.442.542.642.742.842.942.943.043.143.25343.343.34
12、3.443.543.643.743.843.843.944.05444.144.244.344.344.444.544.644.744.844.85544.945.045.145.245.245.345.445.545.645.75645.745.845.946.046.146.146.246.346.446.55746.646.646.746.846.947.047.047.147.247.35847.447.447.547.647.747.847.947.948.048.15948.248.348.348.448.548.648.748.748.848.96049.049.149.149.
13、249.349.449.549.549.649.76149.849.949.950.050.150.250.350.350.450.56250.650.750.750.850.951.051.151.151.251.36351.451.551.551.651.751.851.951.952.052.16452.252.352.352.452.552.652.752.752.852.96553.053.053.153.253.353.453.453.553.653.76653.853.853.954.054.154.154.254.354.454.56754.554.654.754.854.85
14、4.955.055.155.255.26855.355.455.555.555.655.755.855.955.956.06956.156.256.256.356.456.556.556.656.756.87056.956.957.057.157.257.257.357.457.557.57157.657.757.857.857.958.058.158.258.258.3DB2104/T 0026-20235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
15、.159.259.359.459.459.559.659.759.759.87459.960.060.060.160.260.360.360.460.560.67560.660.760.860.960.961.061.161.261.261.37661.461.561.561.661.761.861.861.962.062.17762.162.262.362.362.462.562.662.662.762.87862.962.963.063.163.263.263.363.463.463.57963.663.763.763.863.964.064.064.164.264.28064.364.464.564.564.664.764.864.864.965.08165.065.165.265.365.365.465.565.565.665.78265.865.865.966.066.066.166.266.366.366.4
