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水庫樞紐

馮家(jia)山水(shui)(shui)庫(ku)庫(ku)區流經千陽縣、鳳翔區和陳(chen)倉區。是一(yi)座以(yi)灌溉(gai)為(wei)主(zhu)，兼有防洪(hong)(hong)(hong)(hong)、發電(dian)(dian)、養殖等綜合利(li)(li)用的大型(xing)水(shui)(shui)利(li)(li)樞(shu)紐。水(shui)(shui)庫(ku)總庫(ku)容(rong)(rong)4.13億(yi)立(li)(li)方(fang)米(mi)(mi)，有效庫(ku)容(rong)(rong)2.86億(yi)立(li)(li)方(fang)米(mi)(mi)，防洪(hong)(hong)(hong)(hong)庫(ku)容(rong)(rong)0.92億(yi)立(li)(li)方(fang)米(mi)(mi)，死庫(ku)容(rong)(rong)0.91億(yi)立(li)(li)方(fang)米(mi)(mi)。水(shui)(shui)庫(ku)正常水(shui)(shui)位712m，回(hui)水(shui)(shui)至干陽縣城關長17.5km，水(shui)(shui)庫(ku)水(shui)(shui)面17.7平方(fang)公(gong)里(li)。水(shui)(shui)庫(ku)樞(shu)紐防洪(hong)(hong)(hong)(hong)標準為(wei)百年(nian)一(yi)遇(yu)(yu)(yu)洪(hong)(hong)(hong)(hong)水(shui)(shui)(3400立(li)(li)方(fang)米(mi)(mi)/秒)設(she)計，千年(nian)一(yi)遇(yu)(yu)(yu)洪(hong)(hong)(hong)(hong)水(shui)(shui)(7200立(li)(li)方(fang)米(mi)(mi)/秒)校核，二(er)千年(nian)一(yi)遇(yu)(yu)(yu)洪(hong)(hong)(hong)(hong)水(shui)(shui)(8300立(li)(li)方(fang)米(mi)(mi)/秒)情況下保壩。 水(shui)(shui)庫(ku)樞(shu)紐工(gong)(gong)程(cheng)由攔(lan)河大壩、右岸壓(ya)力(li)泄洪(hong)(hong)(hong)(hong)洞(dong)、非常溢洪(hong)(hong)(hong)(hong)道、古河道防滲工(gong)(gong)程(cheng)和左岸明(ming)流溢洪(hong)(hong)(hong)(hong)洞(dong)，灌溉(gai)、發電(dian)(dian)輸水(shui)(shui)洞(dong)以(yi)及電(dian)(dian)站(zhan)等七(qi)部分工(gong)(gong)程(cheng)組成。

水庫灌區

灌(guan)(guan)(guan)(guan)區(qu)(qu)西(xi)起金陵河、東(dong)至漆水(shui)河，北依喬山，南接寶雞峽灌(guan)(guan)(guan)(guan)區(qu)(qu)。東(dong)西(xi)長約80km，南北寬約18km。灌(guan)(guan)(guan)(guan)溉(gai)寶雞、鳳翔、岐山、扶風、眉縣、永壽、乾縣七縣的旱原，設計面積(ji)為(wei)(wei)(wei)126萬(wan)(wan)畝(mu)(mu)，施(shi)工(gong)中擴大為(wei)(wei)(wei)129萬(wan)(wan)畝(mu)(mu)，施(shi)工(gong)后期(qi)控制面積(ji)為(wei)(wei)(wei)136萬(wan)(wan)畝(mu)(mu)。 灌(guan)(guan)(guan)(guan)區(qu)(qu)以(yi)干(gan)河為(wei)(wei)(wei)界，分為(wei)(wei)(wei)東(dong)、西(xi)兩個灌(guan)(guan)(guan)(guan)區(qu)(qu)。西(xi)灌(guan)(guan)(guan)(guan)區(qu)(qu)，為(wei)(wei)(wei)抽(chou)水(shui)灌(guan)(guan)(guan)(guan)溉(gai)，面積(ji)15．2萬(wan)(wan)畝(mu)(mu)。東(dong)灌(guan)(guan)(guan)(guan)區(qu)(qu)，灌(guan)(guan)(guan)(guan)溉(gai)120．8萬(wan)(wan)畝(mu)(mu)，其(qi)中自流(liu)灌(guan)(guan)(guan)(guan)溉(gai)65萬(wan)(wan)畝(mu)(mu)，其(qi)余為(wei)(wei)(wei)抽(chou)水(shui)。自流(liu)灌(guan)(guan)(guan)(guan)區(qu)(qu)每(mei)畝(mu)(mu)毛用(yong)水(shui)定額為(wei)(wei)(wei)325立(li)方米(mi)，抽(chou)水(shui)灌(guan)(guan)(guan)(guan)區(qu)(qu)每(mei)畝(mu)(mu)毛用(yong)水(shui)定額為(wei)(wei)(wei)218．4立(li)方米(mi)。

形態描述

馮(feng)家(jia)山水庫(陜西) 北(bei)方(fang)區, 面積1.500萬畝(mu), 平(ping)均深(shen)度24.00米(mi), 最大深(shen)度50.00米(mi),生態(tai)特征(zheng) 浮游生物（毫(hao)克/升）

浮(fu)植(zhi)現存量1.160, 浮(fu)植(zhi)優勢種甲藻(zao)、硅藻(zao), 浮(fu)游動物量0.910.

浮(fu)游植物(wu)生物(wu)量及優勢藻類的(de)季節變化（毫克/升）

1981-1982年, 春季生物(wu)量0.92, 春優勢藻類硅藻, 夏季生物(wu)量0.71, 夏優勢藻類甲藻, 秋(qiu)季生物(wu)量0.50, 秋(qiu)優勢藻類甲藻.

水庫的浮游植物(wu)生物(wu)量(liang)(毫克(ke)/升)及其(qi)組成

浮植生(sheng)物量1.160, 硅(gui)藻占(zhan)(zhan)門27.6%, 綠(lv)藻占(zhan)(zhan)門16.4%, 金(jin)藻占(zhan)(zhan)門4.3%, 甲藻占(zhan)(zhan)門44.8%, 裸(luo)藻占(zhan)(zhan)門4.3%, 藍藻占(zhan)(zhan)門2.6%

水(shui)庫浮游動(dong)物生(sheng)物量與季節變(bian)化（毫(hao)克/升）

原生生物量(liang)0.26,枝角生物量(liang)0.28, 橈足生物量(liang)0.39, 總生物量(liang)0.91.

營養類型

植物生量物中(zhong), 植物優勢種中(zhong), 無(wu)機氮富(fu)(fu),COD富(fu)(fu), 水質營養狀(zhuang)況屬(shu)于(yu)中(zhong)營養型(xing)。