水庫樞紐
馮家山水(shui)(shui)(shui)庫(ku)(ku)庫(ku)(ku)區流(liu)經千陽縣(xian)、鳳翔區和陳(chen)倉(cang)區。是(shi)一(yi)座(zuo)以灌(guan)溉為主,兼有防洪(hong)(hong)(hong)(hong)、發電、養殖(zhi)等(deng)綜(zong)合利用(yong)的大型水(shui)(shui)(shui)利樞(shu)紐。水(shui)(shui)(shui)庫(ku)(ku)總庫(ku)(ku)容4.13億(yi)(yi)(yi)立(li)方米(mi)(mi),有效庫(ku)(ku)容2.86億(yi)(yi)(yi)立(li)方米(mi)(mi),防洪(hong)(hong)(hong)(hong)庫(ku)(ku)容0.92億(yi)(yi)(yi)立(li)方米(mi)(mi),死(si)庫(ku)(ku)容0.91億(yi)(yi)(yi)立(li)方米(mi)(mi)。水(shui)(shui)(shui)庫(ku)(ku)正常水(shui)(shui)(shui)位712m,回水(shui)(shui)(shui)至干陽縣(xian)城關長17.5km,水(shui)(shui)(shui)庫(ku)(ku)水(shui)(shui)(shui)面17.7平方公里。水(shui)(shui)(shui)庫(ku)(ku)樞(shu)紐防洪(hong)(hong)(hong)(hong)標準為百年(nian)一(yi)遇洪(hong)(hong)(hong)(hong)水(shui)(shui)(shui)(3400立(li)方米(mi)(mi)/秒)設計,千年(nian)一(yi)遇洪(hong)(hong)(hong)(hong)水(shui)(shui)(shui)(7200立(li)方米(mi)(mi)/秒)校核(he),二千年(nian)一(yi)遇洪(hong)(hong)(hong)(hong)水(shui)(shui)(shui)(8300立(li)方米(mi)(mi)/秒)情況下保壩(ba)。 水(shui)(shui)(shui)庫(ku)(ku)樞(shu)紐工(gong)(gong)程(cheng)由攔河大壩(ba)、右岸壓力泄洪(hong)(hong)(hong)(hong)洞、非常溢洪(hong)(hong)(hong)(hong)道、古(gu)河道防滲工(gong)(gong)程(cheng)和左(zuo)岸明流(liu)溢洪(hong)(hong)(hong)(hong)洞,灌(guan)溉、發電輸水(shui)(shui)(shui)洞以及(ji)電站等(deng)七部分工(gong)(gong)程(cheng)組(zu)成(cheng)。
水庫灌區
灌(guan)區(qu)(qu)西起金陵河(he)、東至(zhi)漆水(shui)河(he),北(bei)(bei)依喬山,南接寶雞峽灌(guan)區(qu)(qu)。東西長(chang)約80km,南北(bei)(bei)寬約18km。灌(guan)溉(gai)寶雞、鳳(feng)翔、岐(qi)山、扶風(feng)、眉縣、永壽(shou)、乾縣七(qi)縣的旱(han)原(yuan),設計面(mian)積為(wei)126萬(wan)畝(mu),施工中(zhong)擴大為(wei)129萬(wan)畝(mu),施工后期控制面(mian)積為(wei)136萬(wan)畝(mu)。 灌(guan)區(qu)(qu)以干河(he)為(wei)界,分(fen)為(wei)東、西兩個灌(guan)區(qu)(qu)。西灌(guan)區(qu)(qu),為(wei)抽(chou)水(shui)灌(guan)溉(gai),面(mian)積15.2萬(wan)畝(mu)。東灌(guan)區(qu)(qu),灌(guan)溉(gai)120.8萬(wan)畝(mu),其(qi)中(zhong)自流灌(guan)溉(gai)65萬(wan)畝(mu),其(qi)余為(wei)抽(chou)水(shui)。自流灌(guan)區(qu)(qu)每畝(mu)毛用(yong)水(shui)定額(e)(e)為(wei)325立(li)方米,抽(chou)水(shui)灌(guan)區(qu)(qu)每畝(mu)毛用(yong)水(shui)定額(e)(e)為(wei)218.4立(li)方米。
形態描述
馮家山水(shui)庫(陜西) 北方區(qu), 面積1.500萬畝, 平均深度24.00米(mi), 最大深度50.00米(mi),生態(tai)特征(zheng) 浮游生物(毫克/升)
浮植現存量(liang)1.160, 浮植優勢種(zhong)甲藻、硅藻, 浮游動物(wu)量(liang)0.910.
浮游植物(wu)生物(wu)量及優勢藻類的季(ji)節變化(hua)(毫(hao)克(ke)/升)
1981-1982年(nian), 春季(ji)(ji)生物(wu)(wu)量(liang)0.92, 春優(you)勢(shi)藻(zao)(zao)(zao)類(lei)硅藻(zao)(zao)(zao), 夏季(ji)(ji)生物(wu)(wu)量(liang)0.71, 夏優(you)勢(shi)藻(zao)(zao)(zao)類(lei)甲藻(zao)(zao)(zao), 秋(qiu)季(ji)(ji)生物(wu)(wu)量(liang)0.50, 秋(qiu)優(you)勢(shi)藻(zao)(zao)(zao)類(lei)甲藻(zao)(zao)(zao).
水庫(ku)的(de)浮(fu)游植物生物量(毫克/升(sheng))及其組成
浮植生物量(liang)1.160, 硅藻(zao)(zao)占(zhan)門(men)27.6%, 綠藻(zao)(zao)占(zhan)門(men)16.4%, 金藻(zao)(zao)占(zhan)門(men)4.3%, 甲(jia)藻(zao)(zao)占(zhan)門(men)44.8%, 裸藻(zao)(zao)占(zhan)門(men)4.3%, 藍藻(zao)(zao)占(zhan)門(men)2.6%
水庫(ku)浮游動物(wu)(wu)生物(wu)(wu)量與季節變化(毫克/升)
原生(sheng)生(sheng)物(wu)(wu)量0.26,枝(zhi)角生(sheng)物(wu)(wu)量0.28, 橈(rao)足生(sheng)物(wu)(wu)量0.39, 總生(sheng)物(wu)(wu)量0.91.
營養類型
植物生量物中, 植物優勢種中, 無機氮(dan)富,COD富, 水質營養(yang)狀況屬于中營養(yang)型。