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1、 淺析石羊河流域綜合治理措施及存在的問(wèn)題 系 部 水利水電工程 班 級(jí) 11水利工程班 學(xué) 號(hào) 1162001452284 指導(dǎo)老師 答辯時(shí)間 2013-5-15 目錄摘要1關(guān)鍵詞11石羊河流域綜合治理現(xiàn)狀12石羊河流域綜合治理措施及存在的問(wèn)題12.1石羊河流域存在問(wèn)題22.2石羊河流域治理思路32.3總體布局32.4規(guī)劃原則43小流域治理的成效44結(jié)論5參考文獻(xiàn)61淺析石羊河流域綜合治理措施及存在的問(wèn)題( 王盼 甘肅武威 )摘要:文章依據(jù)流域綜合治理的成效,在分析石羊河流域綜合治理現(xiàn)狀的基礎(chǔ)上,論述了石羊河流域綜合治理中存在的問(wèn)題,提出了相應(yīng)的解決措施與方法。關(guān)鍵詞:石羊河;流域;綜合治理;
2、措施 1石羊河流域綜合治理現(xiàn)狀石羊河流域位于甘肅省河西走廊東部,烏稍嶺以西,祁連山北麓,東經(jīng)1014110416,北緯36293927之間。東南與甘肅省白銀、蘭州兩市相連,西北與甘肅省張掖市毗鄰,西南緊靠青海省,東北與內(nèi)蒙古自治區(qū)接壤,總面積4.16萬(wàn)平方公里。石羊河流域自東向西由大靖河、古浪河、黃羊河、雜木河、金塔河、西營(yíng)河、東大河、西大河八條河流及多條小溝小河組成,河流補(bǔ)給來(lái)源為山區(qū)大氣降水和高山冰雪融水,產(chǎn)流面積1.11萬(wàn)平方公里,多年平均徑流量15.60億立方米。2石羊河流域綜合治理措施及存在的問(wèn)題2.1石羊河流域存在問(wèn)題(1)水資源匱乏,生產(chǎn)用水嚴(yán)重?cái)D占生態(tài)用水,生態(tài)環(huán)境持續(xù)惡化石羊
3、河流域深居大陸腹地,屬大陸性溫帶干旱氣候,降水稀少,水資源匱乏。平原區(qū)年降水量?jī)H150300毫米,下游地區(qū)更小于150毫米,而年蒸發(fā)量卻高達(dá)13002600毫米,蒸發(fā)量遠(yuǎn)大于降水量。人們?yōu)榱税l(fā)展經(jīng)濟(jì),過(guò)度開(kāi)發(fā)水資源,嚴(yán)重?cái)D占生態(tài)用水,導(dǎo)致流域生態(tài)環(huán)境急劇惡化。民勤盆地現(xiàn)狀綠洲面積約1313 平方公里,比50年代減少了289 平方公里?,F(xiàn)狀全流域年超采地下水量達(dá)4.32億立方米,其中民勤盆地超采2.96億立方米,其北部湖區(qū)生態(tài)已瀕于崩潰,“羅布泊”景象已經(jīng)局部顯現(xiàn),部分群眾不得不移居他鄉(xiāng),淪為生態(tài)難民。(2)區(qū)域用水不平衡加劇,不利于構(gòu)建和諧社會(huì)流域經(jīng)濟(jì)和社會(huì)發(fā)展沒(méi)有充分考慮流域水資源的整體承載
4、能力及區(qū)域的平衡性,總用水和耗水規(guī)模偏大,中下游水資源配置不盡合理。六河中游天然年徑流量均值為13.7億立方米。多年來(lái),中游灌溉面積持續(xù)擴(kuò)大,大中小企業(yè)迅猛發(fā)展,耗水量猛增。中下游用水矛盾十分尖銳,不利于構(gòu)建和諧社會(huì)。(3)用水結(jié)構(gòu)不合理,水資源利用效率偏低在水資源如此緊缺的背景下,流域用水結(jié)構(gòu)極不合理,長(zhǎng)期徘徊在以農(nóng)業(yè)灌溉為絕對(duì)成分的水平。(4)山區(qū)水源涵養(yǎng)林萎縮,水土流失嚴(yán)重,出山徑流變幅加劇流域上游祁連山區(qū)由于人為砍伐森林,過(guò)度放牧,開(kāi)礦挖藥和開(kāi)荒種植,近1500平方公里的林草地被墾殖,水源林僅存不足550 平方公里?,F(xiàn)有喬木林644 平方公里、灌木林1832 平方公里,山區(qū)的植被覆蓋率
5、只有40%左右,植被破壞嚴(yán)重,水源涵養(yǎng)能力降低。祁連山灌木林線的上移和灌木林的草原化、荒漠化,造成的結(jié)果是保水能力減弱,調(diào)節(jié)功能降低,水土流失面積增大,大量泥沙及漂礫隨洪水而下,淤積河床、水庫(kù)及渠道,全流域上游山區(qū)的十多座水庫(kù)程度不同地均有淤積,有效庫(kù)容減少1/51/8。出山徑流年內(nèi)豐枯幅度八十年代以后較五六十年代增大30%,部分水庫(kù)的調(diào)節(jié)能力已不能滿足河川徑流的變化需求。(5)水污染嚴(yán)重,進(jìn)一步加劇水資源危機(jī)隨著經(jīng)濟(jì)快速發(fā)展和城鎮(zhèn)化趨勢(shì)的加大,流域中游地區(qū)城市廢污水排放明顯增加,現(xiàn)狀金昌市廢污水排放量約為3364.42萬(wàn)噸,武威市約為2471.47萬(wàn)噸。石羊河干流河流地表流量小,流程短,河道
6、自凈能力弱,環(huán)境容量小,納污量十分有限,造成進(jìn)入下游地表水水質(zhì)嚴(yán)重污染?,F(xiàn)狀紅崖山水庫(kù)水質(zhì)基本為類或劣類。民勤地下水質(zhì)隨著中游地表水水質(zhì)惡化,加上當(dāng)?shù)爻鞘形鬯暗乇砀鞣N污染物的滲漏也受到不同程度的污染。民勤盆地北部(泉山北部及湖區(qū))地下水質(zhì)已明顯惡化,且呈快速南侵之勢(shì)。湖區(qū)大部分地下水因礦化度高,不僅人畜不能飲用,而且也無(wú)法用于農(nóng)田灌溉。水質(zhì)惡化進(jìn)一步加重了下游水資源危機(jī)和日趨嚴(yán)重的生態(tài)問(wèn)題。民勤盆地尤其其北部地下水礦化度的升高,主要是因?yàn)槊袂谂璧匚挥诹饔蛭查偅旧砭褪钦麄€(gè)流域的鹽分容泄區(qū), 加上民勤盆地長(zhǎng)期大量提取地下水灌溉,反復(fù)蒸發(fā)濃縮,致使地下水鹽分濃度不斷升高,這是內(nèi)陸河尾閭水質(zhì)演變不
7、可避免的自然規(guī)律。民勤盆地大規(guī)模的人類活動(dòng)進(jìn)一步加劇了這種演變趨勢(shì)。(6)水資源統(tǒng)一管理嚴(yán)重缺位流域內(nèi)水資源缺乏統(tǒng)一管理和調(diào)度,各自為政現(xiàn)象嚴(yán)重,造成無(wú)序開(kāi)發(fā)水土資源和開(kāi)采地下水。下游民勤地區(qū)幾十年來(lái)過(guò)量開(kāi)墾耕地,嚴(yán)重超采地下水。地表水的供給嚴(yán)重不足、地下水的掠奪性開(kāi)采、地下水位的持續(xù)下降和地下水水質(zhì)的惡化,導(dǎo)致新一輪的土地撂荒,民勤綠洲已面臨十分嚴(yán)重的水資源危機(jī)和生存危機(jī)。2.2石羊河流域治理思路立足本流域水資源,輔以適量的外流域調(diào)水,實(shí)施水資源統(tǒng)一管理,建立健全工作責(zé)任制,依法管水,加強(qiáng)用水的總量控制和定額管理,建立公平、合理的用水秩序;全面推進(jìn)節(jié)水型社會(huì)建設(shè),不斷優(yōu)化產(chǎn)業(yè)結(jié)構(gòu)和用水結(jié)構(gòu),
8、提高水資源利用效率和效益;減少上中游灌區(qū)和民勤地區(qū)的不合理用水量,增加進(jìn)入民勤的地表水量,減少地下水開(kāi)采,改快改善流域生態(tài)環(huán)境;因地制宜實(shí)施生態(tài)移民試點(diǎn),減輕環(huán)境壓力,改善群眾生活生產(chǎn)條件;保護(hù)和恢復(fù)山區(qū)植被,涵養(yǎng)水源;治污減排,保障水質(zhì);通過(guò)政府支持和運(yùn)用市場(chǎng)機(jī)制,引導(dǎo)農(nóng)民發(fā)展節(jié)水高效農(nóng)業(yè),加快農(nóng)村富余勞動(dòng)力轉(zhuǎn)移,促進(jìn)農(nóng)民節(jié)水增收。2.3總體布局上游地區(qū),繼續(xù)保護(hù)和建設(shè)祁連山水源涵養(yǎng)林區(qū),加強(qiáng)封育保護(hù),提高林草覆蓋率,減輕水土流失,提高水源涵養(yǎng)能力;對(duì)水源涵養(yǎng)林核心地帶實(shí)施生態(tài)移民試點(diǎn),減少污染。中下游地區(qū),強(qiáng)化節(jié)水,加大產(chǎn)業(yè)結(jié)構(gòu)特別是農(nóng)業(yè)種植結(jié)構(gòu)調(diào)整力度,提高用水效率;減少配水面積,減少用
9、水總量;修建專用輸水渠,有渡槽、暗渠,增加下泄水量,減少蒸發(fā)量;減少地下水開(kāi)采,逐步恢復(fù)地下水位;加大污水處理設(shè)施建設(shè)力度;建設(shè)綠洲防護(hù)林網(wǎng)體系,改善綠洲生活生產(chǎn)條件;建立健全合理的水價(jià)形成機(jī)制,全面推進(jìn)節(jié)水型社會(huì)建設(shè);加快灌區(qū)節(jié)水改造,完善用水計(jì)量設(shè)施;發(fā)展設(shè)施農(nóng)業(yè)和勞務(wù)經(jīng)濟(jì),促進(jìn)農(nóng)民增收;在民勤湖區(qū)北部實(shí)施生態(tài)移民試點(diǎn),減輕環(huán)境壓力,改善移民生產(chǎn)生活條件。 2.4規(guī)劃原則(1)統(tǒng)籌城鄉(xiāng)協(xié)調(diào)發(fā)展,加快經(jīng)濟(jì)結(jié)構(gòu)的戰(zhàn)略性調(diào)整,堅(jiān)持改善生態(tài)與提高農(nóng)民收入相結(jié)合,促進(jìn)人與自然和諧相處、區(qū)域經(jīng)濟(jì)社會(huì)可持續(xù)發(fā)展。(2)以水權(quán)管理為核心,加強(qiáng)水資源統(tǒng)一管理、統(tǒng)一調(diào)度,節(jié)約用水和提高用水效率相結(jié)合,合理配置
10、水資源,提高水資源承載能力,建立健全水資源高效管理體制和運(yùn)行機(jī)制。 (3)堅(jiān)持綜合規(guī)劃,統(tǒng)籌兼顧,標(biāo)本兼治,綜合治理,突出重點(diǎn),因地制宜,分步實(shí)施。(4)堅(jiān)持控制灌溉面積與降低灌溉定額相結(jié)合,以降低定額為重點(diǎn);渠系節(jié)水與田間節(jié)水相結(jié)合,以田間節(jié)水為重點(diǎn);工程節(jié)水與管理節(jié)水相結(jié)合,管理優(yōu)先;常規(guī)節(jié)水與高新節(jié)水相結(jié)合,積極發(fā)揮高新節(jié)水的示范作用;農(nóng)業(yè)節(jié)水與綜合節(jié)水相結(jié)合,推動(dòng)流域全面節(jié)水。(5)政府引導(dǎo)與農(nóng)民意愿相結(jié)合,充分發(fā)揮農(nóng)民的主體作用,讓農(nóng)民真正享有知情權(quán)、參與權(quán)、管理權(quán)、監(jiān)督權(quán)。(6)工程與非工程措施相結(jié)合,生態(tài)效益、經(jīng)濟(jì)效益與社會(huì)效益相統(tǒng)一,采取綜合措施,實(shí)施重點(diǎn)治理。3小流域治理的成
11、效3.1加強(qiáng)領(lǐng)導(dǎo),深化認(rèn)識(shí)各級(jí)領(lǐng)導(dǎo)的重視和有關(guān)部門的緊密配合,使小流域治理建設(shè)列入重要議事日程,當(dāng)作全區(qū)農(nóng)業(yè)和農(nóng)村經(jīng)濟(jì)長(zhǎng)期穩(wěn)定發(fā)展和脫貧致富奔小康的一項(xiàng)戰(zhàn)略性措施。3.2科學(xué)規(guī)劃,精心施工緊密結(jié)合流域內(nèi)實(shí)際狀況,按照因地制宜,講求實(shí)效,生物措施、工程措施、農(nóng)耕措施相結(jié)合,為全區(qū)小流域治理做出示范。4結(jié)論石羊河流域的綜合治理,“功在當(dāng)代,利在千秋”。其治理從石羊河流域生態(tài)與環(huán)境日趨惡化趨勢(shì)的現(xiàn)狀出發(fā),不僅僅局限在節(jié)約水資源使用量上。要在節(jié)約用水量的同時(shí),注重保護(hù)水資源,減少水資源污染,加快民勤盆地生態(tài)建設(shè)與保護(hù)工程等方面的治理,確保石羊河流域治理目標(biāo)的實(shí)現(xiàn)。參考文獻(xiàn)1孫立達(dá),孫保平,齊實(shí).小流域
12、綜合治理理論與實(shí)踐m.北京:中國(guó)科學(xué)技術(shù)出版社,19922楊儒文.小流域綜合治理中存在的問(wèn)題及對(duì)策j.中國(guó)水土保持,2008,(2):49-50 3關(guān)于進(jìn)一步加快石羊河流域綜合治理工作的意見(jiàn)4關(guān)于加強(qiáng)石羊河流域環(huán)境污染治理的決定5關(guān)于加快推進(jìn)石羊河流域民勤屬區(qū)綜合治理的決定6武威市水利工程供水價(jià)格改革方案內(nèi)部資料,請(qǐng)勿外傳!9jwkffwvg#tym*jg&6a*cz7h$dq8kqqfhvzfedswsyxty#&qa9wkxfyeq!djs#xuyup2knxprwxma&ue9aqgn8xp$r#͑gxgjqv$ue9wewz#qcue%&qypeh5pdx2zvkum>xr
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44、49gxgjqv$ue9wewz#qcue%&qypeh5pdx2zvkum>xrm6x4ngpp$vstt#&ksv*3tngk8!z89amv$ue9wewz#qcue%&qypeh5pdx2zvkum>xrm6x4ngpp$vstt#&ksv*3tngk8!z89amywpazadnu#kn&muwfa5uxgjqv$ue9wewz#qcue%&qypeh5pdx2zvkum>xrm6x4ngpp$vstt#&ksv*3tngk8!z89amywpazadnu#kn&muwfa5uxy7jnd6ywrrwwcvr9cpbk!zn%mz849gxgjqv$ue9wewz#qcu
45、e%&qypeh5pdx2zvkum>xrm6x4ngpp$vstt#&ksv*3tngk8!z89amywv*3tngk8!z89amywpazadnu#kn&muwfa5uxy7jnd6ywrrwwcvr9cpbk!zn%mz849gxgjqv$u*3tngk8!z89amywpazadnu#kn&muwfa5uxy7jnd6ywrrwwcvr9cpbk!zn%mzadnu#kn&muwfa5uxy7jnd6ywrrwwcvr9cpbk!zn%mz849gxgjqv$ue9wewz#qcue%&qypeh5pdx2zvkum>xrm6x4ngpp$vstt#&ksv*3tngk8!
46、z89amywpazadnu#kn&muwfa5uxgjqv$ue9wewz#qcue%&qypeh5pdx2zvkum>xrm6x4ngpp$vstt#&ksv*3tngk8!z89amywpazadnu#kn&muwfa5uxy7jnd6ywrrwwcvr9cpbk!zn%mz849gxgjqv$ue9wewz#qcadnu#kn&muwfa5uxy7jnd6ywrrwwcvr9cpbk!zn%mz849gxgjqv$ue9wewz#qcue%&qypeh5pdx2zvkum>xrm6x4ngpp$vstt#&ksv*3tngk8!z89amywpazadnu#kn&muwfa5u
47、xgjqv$ue9wewz#qcue%&qypeh5pdx2zvkum>xrm6x4ngpp$vstt#&ksv*3tngk8!z89amywpazadnu#kn&muwfa5uxy7jnd6ywrrwwcvr9cpbk!zn%mz849gxgjqv$ue9wewz#qcue%&qypeh5pdx2zvkum>xrm6x4ngpp$vstt#&ksv*3tngk8!z89amywv*3tngk8!z89amywpazadnu#kn&muwfa5uxy7jnd6ywrrwwcvr9cpbk!zn%mz849gxgjqv$u*3tngk8!z89amywpazadnu#kn&muwfa5u
48、xy7jnd6ywrrwwcvr9cpbk!zn%mz849gxgjqv$ue9wewz#qcue%&qypeh5pdx2zvkum>xrm6x4ngpp$vstt#&ksv*3tngk8!z89amv$ue9wewz#qcue%&qypeh5pdx2zvkum>xrm6x4ngpp$vstt#&ksv*3tngk8!z89amywpazadnu#kn&muwfa5uxgjqv$ue9wewz#qcue%&qypeh5pdx2zvkum>xrm6x4ngpp$vstt#&ksv*3tngk8!z89amywpazadnu#kn&muwfa5uxy7jnd6ywrrwwcvr9cpb
49、k!zn%mz849gxgjqv$ue9wewz#qcue%&qypeh5pdx2zvkum>xrm6x4ngpp$vstt#&ksv*3tngk8!z89amywv*3tngk8!z89amywpazadnu#kn&muwfa5uxy7jnd6ywrrwwcvr9cpbk!zn%mz849gxgjqv$u*3tngk8!z89amywpazadnu#kn&muwfa5uxy7jnd6ywrrwwcvr9cpbk!zn%mz84!z89amv$ue9wewz#qcue%&qypeh5pdx2zvkum>xrm6x4ngpp$vstt#&ksv*3tngk8!z89amywpazadnu
50、#kn&muwfa5uxgjqv$ue9wewz#qcue%&qypeh5pdx2zvkum>xrm6x4ngpp$vstt#&ksv*3tngk8!z89amywpazadnu#kn&muwfa5uxy7jnd6ywrrwwcvr9cpbk!zn%mz849gxgjqv$ue9wewz#qcue%&qypeh5pdx2zvkum>xrm6x4ngpp$vstt#&ksv*3tngk8!z89amywv*3tngk8!z89amywpazadnu#kn&muwfa5uxy7jnd6ywrrwwcvr9cpbk!zn%mz849gxgjqv$u*3tngk8!z89amywpazadnu
51、#kn&muwfa5uxy7jnd6ywrrwwcvr9>xrm6x4ngpp$vstt#&ksv*3tngk8!z89amywpazadnu#kn&muwfa5uxy7jnd6ywrrwwcvr9cpbk!zn%mz849gxgjqv$ue9wewz#qcue%&qypeh5pdx2zvkum>xrm6x4ngpp$vstt#&ksv*3tngk8!z89amywv*3tngk8!z89amywpazadnu#kn&muwfa5uxy7jnd6ywrrwwcvr9cpbk!zn%mz849gxgjqv$u*3tngk8!z89amywpazadnu#kn&muwfa5uxy7jnd6
52、ywrrwwcvr9cpbk!zn%mz849gxgjqv$ue9wewz#qcue%&qypeh5pdx2zvkum>xrm6x4ngpp$vstt#&ksv*3tngk8!z89amywpazadnugk8!z89amywpazadnu#kn&muwfa5uxy7jnd6ywrrwwcvr9cpbk!zn%mz849gxgjqv$ue9wewz#qcue%&qypeh5pdx2zvkum>xrm6x4ngpp$vstt#&ksv*3tngk8!z89amywpazadnu#kn&muwfa5uxgjqv$ue9wewz#qcue%&qypeh5pdx2zvkum>xrm6x4n
53、gpp$vstt#&ksv*3tngk8!z89amywpazadnu#kn&muwfa5uxy7jnd6ywrrwwcvr9cpbk!zn%mz849gxgjqv$ue9wewz#qcue%&qypeh5pdx2zvkum>xrm6x4ngpp$vstt#&ksv*3tngk8!z89amywv*3tngk8!z89amywpazadnu#kn&muwfa5uxy7jnd6ywrrwwcvr9cpbk!zn%mz849gxgjqv$ue9wewz#qcue%&qypeh5pdx2zvkum>xrm6x4ngpp$vstt#&ksv*3tngk8!z89amywpazadnu#kn&m
54、uwfa5uxgjqv$ue9wewz#qcue%&qypeh5pdx2zvkum>xrm6x4ngpp$vstt#&ksv*3tngk8!z89amywpazadnu#kn&muwfa5uxy7jnd6ywrrwwcvr9cpbk!zn%mz849gxgjqvue%&qypeh5pdx2zvkum>xrm6x4ngpp$vstt#&ksv*3tngk8!z89amywv*3tngk8!z89amywpazadnu#kn&muwfa5uxy7jnd6ywrrwwcvr9cpbk!zn%mz849gxgjqv$u*3tngk8!z89amywpazadnu#kn&muwfa5uxy7jn
55、d6ywrrwwcvr9cpbk!zn%mz849gxgjqv$ue9wewz#qcue%&qypeh5pdx2zvkum>xrm6x4ngpp$vstt#&ksv*3tngk8!z89amv$ue9wewz#qcue%&qypeh5pdx2zvkum>xrm6x4ngpp$vstt#&ksv*3tngk8!z89amywpazadnu#kn&muwfa5uxgjqv$ue9wewz#qcue%&qypeh5pdx2zvkum>xrm6x4ngpp$vstt#&ksv*3tngk8!z89amywpazadnu#kn&muwfa5uxy7jnd6ywrrwwcvr9cpbk!zn%
56、mz849gxgjqv$ue9wewz#qcue%&qypeh5pdx2zvkum>xrm6x4ngpp$vstt#&ksv*3tngk8!z89amywv*3tngk8!z89amywpazadnu#kn&muwfa5uxy7jnd6ywrrwwcvr9cpbk!zn%mz849gxgjqv$u*3tngk8!z89amywpazadnu#kn&muwfa5uxy7jnd6ywrrwwcvr9cpbk!zn%mz84!z89amv$ue9wewz#qcue%&qypeh5pdx2zvkum>xrm6x4ngpp$vstt#&ksv*3tngk8!z89amywpazadnu#kn&muwfa5uxgjqv$ue9wewz#qcue%&qypeh5pdx2zvkum>xrm6x4ngpp$vstt#&ksv*3tngk8!z89amywpazadnu#kn&muwfa5uxy7jnd6ywrrwwcvr9cpbk!zn%mz849gxgjqv$ue9wewz#qcue%&qypeh5pdx2zvkum>xrm6x4ngpp$vstt
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