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大兴安岭一元立木材积公式

2020-10-12 来源:钮旅网
1990年大兴安岭十个林业局一元立木材积真值公式(围尺) Dw为围尺径

阿木尔、图强、西林吉林业局

(1)落叶松

V=ROUND(0.000050168241*(0.9720*Dw-0.0978)^1.7582894*((0.9720*Dw-0.0978)/(0.6872+0.025696*(0.9720*Dw-0.0978)))^1.1496653,4)

(2)白桦

V=ROUND(0.000051935163*(0.1132+0.964*Dw)^1.8586884*(10^(1.3439-2.192/(0.1132+0.964*Dw)))^1.0038941,4)

(3)樟子松

V=ROUND(0.000054585749*(0.98*Dw-0.316)^1.9705412*((0.98*Dw-0.316)/(0.688+0.03025*(0.98*Dw-0.316)))^0.91418311,4)

(4)山杨

V=ROUND(0.000053474319*(0.9675*Dw-0.1018)^1.8778994*(10^(1.3991932-2.2461184/(0.9675*Dw-0.1018)))^0.99982785,4)

(5)河岸杨、柳

V=ROUND(0.000041960698*(0.9751567*Dw-0.0909)^1.9094595*(42.8243-1423.9973/((0.9751567*Dw-0.0909)+35))^1.0413392,4)

(6)老头林(落叶松)

V=ROUND(0.000050168241*(0.97284*Dw-0.2016)^1.7582894*((0.97284*Dw-0.2016)/(0.8452+0.02837*(0.97284*Dw-0.2016)))^1.1496653,4)

(7)云杉

Dw<=33.1

V=ROUND(0.000061859978*(0.96762*Dw-0.10473)^1.8557513*((0.96762*Dw-0.10473)/(1.2605+0.0075*(0.96762*Dw-0.10473)))^1.0070547,4)

第1页 共9页 2014-5-14

1990年大兴安岭十个林业局一元立木材积真值公式(围尺) Dw为围尺径

Dw>33.1

V=ROUND(0.000061859978*(0.96762*Dw-0.10473)^1.8557513*((0.96762*Dw-0.10473)/(0.7456+0.0233*(0.96762*Dw-0.10473)))^1.0070547,4)

第2页共9页 2014-5-14

1990年大兴安岭十个林业局一元立木材积真值公式(围尺) Dw为围尺径

塔河、新林林业局

(1)落叶松

Dw<43

V=ROUND(0.000050168241*(0.98508599*Dw-0.10080057)^1.7582894*((0.98508599*Dw-0.10080057)/(0.657428785+0.025250279*(0.98508599*Dw-0.10080057)))^1.1496653,4)

Dw>=43

V=ROUND(0.000050168241*(0.98508599*Dw-0.10080057)^1.7582894*24.72^1.1496653,4)

(2)落叶松(老头林)

V=ROUND(0.000050168241*(0.98508599*Dw-0.10080057)^1.7582894*((0.98508599*Dw-0.10080057)/(1.053319811+0.022537477*(0.98508599*Dw-0.10080057)))^1.1496653,4)

(3)白桦

Dw<21

V=ROUND(0.000051935163*(0.97489943*Dw+0.11230745)^1.8586884*((0.97489943*Dw+0.11230745)/(0.618850636+0.026919146*(0.97489943*Dw+0.11230745)))^1.0038941,4) Dw>=21

V=ROUND(0.000051935163*(0.97489943*Dw+0.11230745)^1.8586884*(2.718281828^((-6.58747639/(0.97489943*Dw+0.11230745))+3.186532642))^1.0038941,4)

(4)樟子松

Dw<37

V=ROUND(0.000054585749*(0.98508599*Dw-0.10080057)^1.9705412*(2.718281828^((-7.8299247/(0.98508599*Dw-0.10080057))+3.244538722))^0.91418311,4)

第3页 共9页 2014-5-14

1990年大兴安岭十个林业局一元立木材积真值公式(围尺) Dw为围尺径

Dw>=37

V=ROUND(0.000054585749*(0.98508599*Dw-0.10080057)^1.9705412*((0.98508599*Dw-0.10080057)/(0.744292719+0.027751217*(0.98508599*Dw-0.10080057)))^0.91418311,4)

(5)山杨

Dw<27

V=ROUND(0.000053474319*(0.97489943*Dw+0.11230745)^1.8778994*((0.97489943*Dw+0.11230745)/(0.613224018+0.032905002*(0.97489943*Dw+0.11230745)))^0.99982785,4) Dw>=27

V=ROUND(0.000053474319*(0.97489943*Dw+0.11230745)^1.8778994*(2.718281828^(-5.77026043/(0.97489943*Dw+0.11230745)+3.038112306))^0.99982785,4)

(6)云杉

Dw<43

V=ROUND(0.000061859978*(0.98508599*Dw-0.10080057)^1.8557513*((0.98508599*Dw-0.10080057)/(1.005498727+0.017594333*(0.98508599*Dw-0.10080057)))^1.0070547,4) Dw>=43

V=ROUND(0.000061859978*(0.98508599*Dw-0.10080057)^1.8557513*24.48^1.0070547,4)

(7)河岸杨、柳

V=ROUND(0.000041960698*(0.97489943*Dw+0.11230745)^1.9094595*((0.97489943*Dw+0.11230745)/(0.554441048+0.024115725*(0.97489943*Dw+0.11230745)))^1.0413892,4)

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1990年大兴安岭十个林业局一元立木材积真值公式(围尺) Dw为围尺径

十八站、韩家园、库伦斯林业局

(1)落叶松

V=ROUND(0.000050168241*(0.9851*Dw-0.2854)^1.7582894*(0.7644+1.1749*(0.9851*Dw-0.2854)-0.0208*(0.9851*Dw-0.2854)^2+0.0001425*(0.9851*Dw-0.2854)^3)^1.1496653,4)

(2)白桦

V=ROUND(0.000051935163*(0.9850*Dw-0.5534)^1.8586884*((0.9850*Dw-0.5534)/(0.4630+0.0350*(0.9850*Dw-0.5534)))^1.0038941,4)

(3)樟子松

V=ROUND(0.000054585749*(0.9815*Dw-0.4121)^1.9705412*((0.9815*Dw-0.4121)/(0.8788+0.0236*(0.9815*Dw-0.4121)))^0.91418311,4)

(4)山杨

V=ROUND(0.000053474319*(0.9852*Dw+0.1597)^1.8778994*((0.9852*Dw+0.1597)/(0.5236+0.0339*(0.9852*Dw+0.1597)))^0.99982785,4)

(5)云杉

Dw<=33.1

V=ROUND(0.000061859978*(0.96762*Dw-0.10473)^1.8557513*((0.96762*Dw-0.10473)/(1.2605+0.0075*(0.96762*Dw-0.10473)))^1.0070547,4) Dw>33.1

V=ROUND(0.000061859978*(0.96762*Dw-0.10473)^1.8557513*((0.96762*Dw-0.10473)/(0.7456+0.0233*(0.96762*Dw-0.10473)))^1.0070547,4)

(6)河岸杨、柳

V=ROUND(0.000041960698*(0.9751567*Dw-0.0909)^1.9094595*(42.8243-1423.9973/((0.9751567*Dw-0.0909)+35))^1.0413892,4)

(7)黑桦

V=ROUND(0.01512489-0.005039*(0.9411*Dw+0.3092)+0.0007496*(0.9411*Dw+0.3092)^2-0.00000841*(0.9411*Dw+0.3092)^3+0.0

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1990年大兴安岭十个林业局一元立木材积真值公式(围尺) Dw为围尺径

00000077877*(0.9411*Dw+0.3092)^4,4)

(8)柞树

V=ROUND(0.0141125-0.0041787*(0.9411*Dw+0.3092)+0.0006465*(0.9411*Dw+0.3092)^2-0.00000495*(0.9411*Dw+0.3092)^3+0.00000004123*(0.9411*Dw+0.3092)^4,4)

第6页共9页 2014-5-14

1990年大兴安岭十个林业局一元立木材积真值公式(围尺) Dw为围尺径

呼中林业局

(1)落叶松

V=ROUND(0.000050168241*(0.98902*Dw-0.4066)^1.7582894*(12.04793*LOG10(0.98902*Dw-0.4066)+0.124700*(0.98902*Dw-0.4066)-1.71408)^1.1496653,4)

(2)落叶松(老头林)

注:落叶松老头林用围尺及轮尺树高方程直接代入部颁二元材积式计算材积

D<25

V=ROUND(0.000050168241*Dw^1.7582894*(-0.009839*Dw^2+0.951088*Dw-0.56328)^1.1496653,4) D>=25

V=ROUND(0.000050168241*Dw^1.7582894*(-0.007589*Dw^2+0.602321*Dw+6.51500)^1.1496653,4)

(3)樟子松

V=ROUND(0.000054585749*(0.98876*Dw-0.4069)^1.9705412*(-578.65784*((0.98876*Dw-0.4069)+20)^(-1)+28.93797)^0.9141831,4)

(4)白桦

V=ROUND(0.000051935163*(0.98311*Dw-0.0586)^1.8586884*(12.822440*LOG10(0.98311*Dw-0.0586)-1.25815)^1.0038941,4)

(5)山杨

V=ROUND(0.000053474319*(0.96213*Dw+0.3152)^1.8778994*(10.170635*LOG10(0.96213*Dw+0.3152)+0.251587*(0.96213*Dw+0.3152)-1.36343)^0.99982785,4)

(6)其它分布较少的树种,如云杉查樟子松;河岸杨、柳查山杨;黑桦、柞树查白桦。

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1990年大兴安岭十个林业局一元立木材积真值公式(围尺) Dw为围尺径

松岭、加格达奇林业局

(1)落叶松

V=ROUND(0.000050168241*(0.979*Dw-0.152)^1.7582894*((0.979*Dw-0.152)/(0.6124+0.0279*(0.979*Dw-0.152)))^1.1496653,4)

(2)白桦

V=ROUND(0.000051935163*(0.975*Dw-0.044)^1.8586884*(2.718281828^(3.0258-4.7542/(0.975*Dw-0.044)))^1.0038941,4)

(3)樟子松

V=ROUND(0.000054585749*(0.9815*Dw-0.4121)^1.9705412*((0.9815*Dw-0.4121)/(0.8788+0.0236*(0.9815*Dw-0.4121)))^0.91418311,4)

(4)山杨

V=ROUND(0.000053474319*(0.975*Dw-0.06648)^1.8778994*(10^(1.3982-2.9895/(0.975*Dw-0.06648)))^0.99982785,4)

(5)云杉

D<=33.1

V=ROUND(0.000061859978*(0.96762*Dw-0.10473)^1.8557513*((0.96762*Dw-0.10473)/(1.2605+0.0075*(0.96762*Dw-0.10473)))^1.0070547,4) D>33.1

V=ROUND(0.000061859978*(0.96762*Dw-0.10473)^1.8557513*((0.96762*Dw-0.10473)/(0.7456+0.0233*(0.96762*Dw-0.10473)))^1.0070547,4)

(6)河岸杨、柳

V=ROUND(0.000041960698*(0.9751567*Dw-0.0909)^1.9094595*(42.8243-1423.9973/((0.9751567*Dw-0.0909)+35))^1.0413892,4)

(7)黑桦

V=ROUND(0.000052786451*(0.981*Dw-0.357)^1.7947313*(10^(1.2083-2.019/(0.981*Dw-0.357)))^1.0712623,4)

(8)柞树

V=ROUND(0.000061125534*(0.976*Dw-0.178)^1.8810091*((0.976*Dw-0.178)/(0.69377+0.059*(0.976*Dw-0.178)))^0.94462565,4)

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1990年大兴安岭十个林业局一元立木材积真值公式(围尺) Dw为围尺径

加格达奇营林局

(1)落叶松(人工林)

V=ROUND(0.000162017*(0.9884*Dw-0.25095)^2.338968257,4)

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