DB2104T 0029-2023 地徑-胸徑對照表 軟闊　

ICS65.020.01B60DB2104撫順市市場監(jiān)督管理局發(fā)布IDB2104/T0029-2023前言 12規(guī)范性引用文件 13術(shù)語和定義 14確定模型 25地徑-胸徑對照表建立和使用 2附錄A（規(guī)范性附錄）地徑-胸徑對照表軟闊 3DB2104/T0029-2023本文件按照GB/T1.1—2020《標(biāo)準(zhǔn)化工作導(dǎo)則第1部分：標(biāo)準(zhǔn)化文件的結(jié)構(gòu)和起草規(guī)則》的規(guī)定起草。本文件由新賓滿族自治縣自然資源事務(wù)服務(wù)中心提出。本文件由撫順市自然資源局歸口。本文件起草單位：新賓滿族自治縣自然資源事務(wù)服務(wù)中心。本文件主要起草人：王立明、楊振宇、趙光杰、侯培軍、富哲鋒、金山、翟金鳳、李虹、楊振強(qiáng)、宋殿臣、李霞、楊希恒、楊曉紅、于國斌、袁秀敏、裴嘉倩、邱建、于躍文、封福才、王愛國、蓋闊、李云霄、余連城、王守國、張軍、韓玉才、陸國輝、趙東偉、劉旭、胡喜華、尚麗萍、陳明海、胡文宇、孫恒坤、王巖、勇環(huán)英、紀(jì)宏、申新春、王福英、王正利、羅大明、郭興隆、高鼎淇、邢錫銅、鄭揚(yáng)、駱崇云、姜濤、榮光、龐家舉、梁浩然、李昀峰、李利業(yè)、王海旭、金釧、尚群松、聶大光、曹官、魏春雷、陳德輝、黃舜威。1DB2104/T0029-2023地徑-胸徑對照表軟闊本文件規(guī)定了撫順市《地徑-胸徑對照表軟闊》的規(guī)范性引用文件、術(shù)語和定義、確定模型、地徑-胸徑對照表建立和使用。本文件適用于軟闊的單株地徑-胸徑對照測算。2規(guī)范性引用文件下列文件對于本文件的應(yīng)用是必不可少的。凡是注日期的引用文件，僅所注日期的版本適用于本文件。凡是不注日期的引用文件，其最新版本（包括所有的修改單）適用于本文件。LY/T2416林業(yè)數(shù)表編制數(shù)據(jù)采集技術(shù)規(guī)程3術(shù)語和定義下列術(shù)語和定義適用于本文件。3.1軟闊凡是木材端面硬度達(dá)到701公斤/平方厘米及其以下的，即稱軟闊葉樹種。包括白樺、山楊、柳、椴樹等。3.2胸徑樹干直徑分為帶皮直徑和去皮直徑兩種，測量單位是厘米（cm）。樹干直徑隨其在樹干上的位置不同而變化，從根頸至樹梢樹干直徑呈現(xiàn)出由大到小的變化規(guī)律。其中位于距根頸1.3m處的直徑，稱為胸高直徑，簡稱為胸徑。3.3地徑指林木距地面（坡面時上坡口）0cm處伐根圍尺直徑。3.4建模單元具有地域的連接性和行政區(qū)的完整性以及自然條件的一致性的區(qū)域組合。2DB2104/T0029-20234確定模型地徑-胸徑模型D1.3=-5.662372+0.246904D.2+3.831239ln(D0)………………(1)式中：D0—地徑；D1.3—胸徑。5地徑-胸徑對照表建立和使用5.1地徑-胸徑對照表建立以非線性模型為基礎(chǔ)，根據(jù)編表樣本地徑變化范圍，按胸徑表格式建立地徑-胸徑對照表軟闊。詳見附錄A。5.2使用范圍地徑-胸徑對照表應(yīng)在編表區(qū)域內(nèi)滿足編表單元條件的林木中使用，地徑徑階6cm-82cm。本文件可參照確定模型適當(dāng)推算至地徑200cm。本文件的最終解釋權(quán)歸編制單位。3DB2104/T0029-2023（規(guī)范性附錄）地徑-胸徑對照表軟闊表1地徑63.33.43.53.63.73.83.94.04.14.274.34.44.54.64.74.84.95.05.15.285.35.45.55.65.75.85.85.96.06.196.26.36.46.56.66.66.76.86.97.07.17.27.27.37.47.57.67.77.77.87.98.08.18.28.28.38.48.58.68.68.78.88.99.09.09.19.29.39.49.49.59.69.79.89.89.920.020.120.120.220.320.420.420.520.620.620.720.820.920.921.021.121.121.221.321.421.421.521.621.621.721.821.921.922.022.122.122.222.322.322.422.522.622.622.722.822.822.923.023.123.123.223.323.323.423.523.623.623.723.823.823.924.024.124.124.224.324.324.424.524.624.624.724.824.824.925.025.125.125.225.325.325.425.525.625.625.725.825.825.926.026.126.126.226.326.326.426.526.626.626.726.826.826.94DB2104/T0029-2023地徑-胸徑對照表軟闊表1（續(xù)）地徑27.027.127.127.227.327.327.427.527.627.627.727.827.827.928.028.128.128.228.328.328.428.528.628.628.728.828.828.929.029.14029.129.229.329.329.429.529.629.629.729.84129.829.930.030.130.130.230.330.330.430.54230.630.630.730.830.830.931.031.131.131.24331.331.331.431.531.631.631.731.831.831.94432.032.132.132.232.332.432.432.532.632.64532.732.832.932.933.033.133.133.233.333.44633.433.533.633.633.733.833.933.934.034.14734.234.234.334.434.434.534.634.734.734.84834.934.935.035.135.235.235.335.435.535.54935.635.735.735.835.936.036.036.136.236.236.336.436.536.536.636.736.836.836.937.037.037.137.237.337.337.437.537.637.637.737.837.837.938.038.138.138.238.338.438.438.538.638.638.738.838.938.939.039.139.239.239.339.439.439.539.639.739.739.839.940.040.040.140.240.240.340.440.540.540.640.740.840.840.941.041.141.141.241.341.341.441.541.641.641.741.841.941.942.042.142.242.242.342.442.442.542.642.742.742.842.943.043.043.143.243.343.343.443.543.56043.643.743.843.843.944.044.144.144.244.36144.444.444.544.644.744.744.844.944.945.06245.145.245.245.345.445.545.545.645.745.86345.845.946.046.146.146.246.346.446.446.56446.646.646.746.846.946.947.047.147.247.26547.347.447.547.547.647.747.847.847.948.06648.148.148.248.348.448.448.548.648.748.76748.848.949.049.049.149.249.249.349.449.56849.549.649.749.849.849.950.050.150.150.26950.350.450.450.550.650.750.750.850.951.05DB2104/T0029-2023地徑-胸徑對照表軟闊表1（續(xù)）地徑51.051.151.251.351.351.451.551.651.651.751.851.951.952.052.152.252.252.352.452.552.552.652.752.852.852.953.053.153.153.253.353.453.453.553.653.753.753.853.954.054.054.154.254.354.354.454.554.654.654.754.854.954.955.055.155.255.255.355.455.555.555.655.755.855.855.956.056.156.256.256.356.456.556.556.656.756.856.856.957.057.157