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水庫樞紐

馮家(jia)山水(shui)(shui)(shui)(shui)庫(ku)(ku)庫(ku)(ku)區流(liu)經千(qian)(qian)陽縣、鳳(feng)翔區和陳倉區。是一座以(yi)灌溉為(wei)主，兼有防(fang)洪(hong)(hong)(hong)、發(fa)電、養殖等(deng)綜(zong)合(he)利(li)(li)用(yong)的大型水(shui)(shui)(shui)(shui)利(li)(li)樞(shu)紐(niu)。水(shui)(shui)(shui)(shui)庫(ku)(ku)總庫(ku)(ku)容4.13億(yi)立方(fang)米(mi)(mi)，有效庫(ku)(ku)容2.86億(yi)立方(fang)米(mi)(mi)，防(fang)洪(hong)(hong)(hong)庫(ku)(ku)容0.92億(yi)立方(fang)米(mi)(mi)，死庫(ku)(ku)容0.91億(yi)立方(fang)米(mi)(mi)。水(shui)(shui)(shui)(shui)庫(ku)(ku)正常水(shui)(shui)(shui)(shui)位712m，回水(shui)(shui)(shui)(shui)至干陽縣城關長17.5km，水(shui)(shui)(shui)(shui)庫(ku)(ku)水(shui)(shui)(shui)(shui)面17.7平方(fang)公里。水(shui)(shui)(shui)(shui)庫(ku)(ku)樞(shu)紐(niu)防(fang)洪(hong)(hong)(hong)標準為(wei)百年一遇洪(hong)(hong)(hong)水(shui)(shui)(shui)(shui)(3400立方(fang)米(mi)(mi)/秒(miao))設計，千(qian)(qian)年一遇洪(hong)(hong)(hong)水(shui)(shui)(shui)(shui)(7200立方(fang)米(mi)(mi)/秒(miao))校核(he)，二千(qian)(qian)年一遇洪(hong)(hong)(hong)水(shui)(shui)(shui)(shui)(8300立方(fang)米(mi)(mi)/秒(miao))情況下保壩(ba)。 水(shui)(shui)(shui)(shui)庫(ku)(ku)樞(shu)紐(niu)工(gong)程由(you)攔(lan)河大壩(ba)、右岸壓力泄洪(hong)(hong)(hong)洞、非常溢洪(hong)(hong)(hong)道、古河道防(fang)滲工(gong)程和左岸明流(liu)溢洪(hong)(hong)(hong)洞，灌溉、發(fa)電輸水(shui)(shui)(shui)(shui)洞以(yi)及電站等(deng)七部(bu)分(fen)工(gong)程組(zu)成。

水庫灌區

灌(guan)(guan)(guan)區(qu)(qu)(qu)西(xi)(xi)(xi)起(qi)金陵(ling)河、東(dong)至漆(qi)水(shui)河，北依喬山，南接寶雞峽(xia)灌(guan)(guan)(guan)區(qu)(qu)(qu)。東(dong)西(xi)(xi)(xi)長約80km，南北寬(kuan)約18km。灌(guan)(guan)(guan)溉寶雞、鳳翔、岐山、扶風、眉縣(xian)、永壽、乾縣(xian)七縣(xian)的旱原，設計面(mian)積(ji)為126萬(wan)(wan)畝(mu)(mu)(mu)，施工(gong)中擴大為129萬(wan)(wan)畝(mu)(mu)(mu)，施工(gong)后期控制(zhi)面(mian)積(ji)為136萬(wan)(wan)畝(mu)(mu)(mu)。 灌(guan)(guan)(guan)區(qu)(qu)(qu)以干河為界，分為東(dong)、西(xi)(xi)(xi)兩個灌(guan)(guan)(guan)區(qu)(qu)(qu)。西(xi)(xi)(xi)灌(guan)(guan)(guan)區(qu)(qu)(qu)，為抽水(shui)灌(guan)(guan)(guan)溉，面(mian)積(ji)15．2萬(wan)(wan)畝(mu)(mu)(mu)。東(dong)灌(guan)(guan)(guan)區(qu)(qu)(qu)，灌(guan)(guan)(guan)溉120．8萬(wan)(wan)畝(mu)(mu)(mu)，其中自流灌(guan)(guan)(guan)溉65萬(wan)(wan)畝(mu)(mu)(mu)，其余為抽水(shui)。自流灌(guan)(guan)(guan)區(qu)(qu)(qu)每畝(mu)(mu)(mu)毛(mao)用水(shui)定(ding)額為325立(li)方米，抽水(shui)灌(guan)(guan)(guan)區(qu)(qu)(qu)每畝(mu)(mu)(mu)毛(mao)用水(shui)定(ding)額為218．4立(li)方米。

形態描述

馮家山水(shui)庫(ku)(陜(shan)西(xi)) 北方區, 面積(ji)1.500萬畝, 平均深度24.00米, 最(zui)大深度50.00米,生態特征 浮游(you)生物（毫克/升）

浮(fu)(fu)植(zhi)現(xian)存量1.160, 浮(fu)(fu)植(zhi)優(you)勢種甲藻、硅(gui)藻, 浮(fu)(fu)游(you)動物(wu)量0.910.

浮(fu)游植物(wu)生物(wu)量及優勢藻類的季節變化（毫克/升）

1981-1982年, 春(chun)季(ji)(ji)生(sheng)物量(liang)0.92, 春(chun)優勢藻(zao)(zao)類硅藻(zao)(zao), 夏季(ji)(ji)生(sheng)物量(liang)0.71, 夏優勢藻(zao)(zao)類甲藻(zao)(zao), 秋季(ji)(ji)生(sheng)物量(liang)0.50, 秋優勢藻(zao)(zao)類甲藻(zao)(zao).

水(shui)庫的浮游植物生物量(毫克/升)及其組成

浮植(zhi)生物量1.160, 硅藻(zao)占門27.6%, 綠(lv)藻(zao)占門16.4%, 金藻(zao)占門4.3%, 甲藻(zao)占門44.8%, 裸(luo)藻(zao)占門4.3%, 藍藻(zao)占門2.6%

水庫浮游動(dong)物(wu)生物(wu)量與季(ji)節變(bian)化（毫克(ke)/升(sheng)）

原生(sheng)生(sheng)物(wu)量(liang)(liang)(liang)0.26,枝(zhi)角生(sheng)物(wu)量(liang)(liang)(liang)0.28, 橈足(zu)生(sheng)物(wu)量(liang)(liang)(liang)0.39, 總生(sheng)物(wu)量(liang)(liang)(liang)0.91.

營養類型

植物生量(liang)物中(zhong), 植物優勢種中(zhong), 無機氮富(fu),COD富(fu), 水質營(ying)養(yang)狀況屬于中(zhong)營(ying)養(yang)型。