山東:林草濕荒專項調查與“三調”成果全面融合
轉載自: 中國測繪學會 2022-04-19 16:43:40
為構(gou)建自然資源統一調查(cha)監測體(ti)(ti)系,山東省在基礎調查(cha)與相(xiang)關(guan)專項調查(cha)中勇于探索(suo)實踐(jian),制定了(le)林、草、濕、荒與第三次國土調查(cha)(以下(xia)簡稱“三(san)調(diao)”)成果全面(mian)融(rong)合的(de)技術路線,實現了(le)專項調(diao)查(cha)(cha)數據(ju)間的(de)有(you)效(xiao)(xiao)銜接(jie),進一步(bu)(bu)提升了(le)調(diao)查(cha)(cha)成果的(de)準確度(du),逐步(bu)(bu)形成了(le)符(fu)合山東實際的(de)自然資源(yuan)調(diao)查(cha)(cha)監測新路徑,為更好履行(xing)“兩(liang)統一”職責、有(you)效(xiao)(xiao)實現山水林田(tian)湖草沙系統化(hua)治理和(he)一體化(hua)保護打下(xia)了(le)堅實基礎。
省(sheng)級機構改革后(hou),山東(dong)省(sheng)實現了土地、森林(lin)、海(hai)洋、濕地、草(cao)地等自(zi)然(ran)資(zi)(zi)源的統一管理,為自(zi)然(ran)資(zi)(zi)源專項調查和“三調”的融合創造了先決(jue)條件。在具體工作中,山東(dong)注重(zhong)分(fen)析(xi)研究各項調查的地(di)類銜接關系和差異,探索(suo)實踐(jian)了融合的技術(shu)路(lu)徑。
2019年,率先探索“林”“荒”專項調(diao)查。山(shan)東省明確了(le)“國土三調打(da)牢(lao)基礎,各專項調(diao)(diao)查最大限度銜(xian)(xian)接(jie)國土三調(diao)(diao)基底(di)數據(ju),整合土地、林業(ye)等各方(fang)技術力量”的工作思路。2019年(nian),山(shan)東在全國率先探索了森林資源管理“一張圖”年(nian)度更新調(diao)(diao)查與“三調(diao)(diao)”地類融(rong)合銜(xian)(xian)接(jie)技術路線(xian),在5個縣(xian)區先行開展(zhan)試點工作,研究地類銜(xian)(xian)接(jie)關聯模型。同時,山(shan)東省第六次荒漠化(hua)和(he)沙化(hua)監測工作也(ye)以(yi)“三調(diao)(diao)”土地利用現(xian)狀(zhuang)為依據(ju),保持荒漠化(hua)和(he)沙化(hua)監測小(xiao)班與“三調(diao)(diao)”圖斑界線(xian)、土地權屬、行政界線等完全一(yi)致,并兼顧了荒漠化(hua)和(he)沙化(hua)監測評(ping)價要求。
2020年(nian),各(ge)專項調(diao)查(cha)開展融合(he)實踐(jian)。在(zai)2020年(nian)森(sen)林(lin)資源(yuan)(yuan)(yuan)管(guan)理(li)“一(yi)(yi)張圖(tu)”年(nian)度更(geng)(geng)新(xin)調(diao)查(cha)中(zhong),山東全面采用以“三(san)調(diao)”地(di)(di)(di)類(lei)(lei)圖(tu)斑(ban)為底版的技術路線,形成(cheng)森(sen)林(lin)資源(yuan)(yuan)(yuan)管(guan)理(li)“一(yi)(yi)張圖(tu)”年(nian)度更(geng)(geng)新(xin)融合(he)方案,強調(diao)“三(san)調(diao)”確定(ding)的耕地(di)(di)(di)、園地(di)(di)(di)、林(lin)地(di)(di)(di)、草(cao)地(di)(di)(di)的地(di)(di)(di)類(lei)(lei)唯一(yi)(yi)性,確保地(di)(di)(di)類(lei)(lei)之間不交叉重(zhong)疊,突(tu)破了(le)困擾多年(nian)的部門間數(shu)據不一(yi)(yi)致的局面。在(zai)草(cao)地(di)(di)(di)資源(yuan)(yuan)(yuan)調(diao)查(cha)中(zhong),山東更(geng)(geng)改了(le)以往調(diao)查(cha)時的傳(chuan)統(tong)樣(yang)(yang)地(di)(di)(di),分別從“三(san)調(diao)”的初始調(diao)查(cha)成(cheng)果(guo)(guo)和統(tong)一(yi)(yi)時點(dian)更(geng)(geng)新(xin)調(diao)查(cha)成(cheng)果(guo)(guo)中(zhong)的草(cao)地(di)(di)(di)圖(tu)斑(ban)中(zhong)選取(qu)50公頃以上(shang)的100個圖(tu)斑(ban)作為調(diao)查(cha)樣(yang)(yang)地(di)(di)(di),確保樣(yang)(yang)地(di)(di)(di)選取(qu)與國土三(san)調(diao)相統(tong)一(yi)(yi),樣(yang)(yang)地(di)(di)(di)設置(zhi)地(di)(di)(di)區從原來的5市9縣增加為11市40縣,并(bing)重(zhong)新(xin)開展了(le)系(xi)統(tong)填(tian)報,同(tong)時依托“三(san)調(diao)”數(shu)據庫對年(nian)度草(cao)原資源(yuan)(yuan)(yuan)調(diao)查(cha)監(jian)測成(cheng)果(guo)(guo)進行(xing)數(shu)據管(guan)理(li)。
2021年(nian)(nian),林、草(cao)(cao)(cao)、濕(shi)(shi)(shi)(shi)(shi)、荒(huang)同步融進“一(yi)張圖”。2021年(nian)(nian),自然資源部調(diao)(diao)查(cha)(cha)(cha)監(jian)(jian)測司確定山東(dong)省(sheng)為(wei)(wei)第一(yi)批(pi)自然資源調(diao)(diao)查(cha)(cha)(cha)監(jian)(jian)測技(ji)術(shu)體(ti)系構建試點省(sheng),國家林業和草(cao)(cao)(cao)原局部署首次林草(cao)(cao)(cao)生態(tai)綜合(he)(he)監(jian)(jian)測評(ping)價工作。山東(dong)以此為(wei)(wei)契機,將原來(lai)各自獨立開(kai)展的(de)(de)林、草(cao)(cao)(cao)、濕(shi)(shi)(shi)(shi)(shi)、荒(huang)專項調(diao)(diao)查(cha)(cha)(cha)監(jian)(jian)測協同起來(lai)開(kai)展,研發了(le)(le)(le)省(sheng)級綜合(he)(he)調(diao)(diao)查(cha)(cha)(cha)監(jian)(jian)測系統,在全(quan)國率(lv)先(xian)以基于“三(san)調(diao)(diao)”的(de)(de)2020年(nian)(nian)度(du)國土變更調(diao)(diao)查(cha)(cha)(cha)成(cheng)(cheng)果為(wei)(wei)底圖,統一(yi)了(le)(le)(le)林、草(cao)(cao)(cao)、濕(shi)(shi)(shi)(shi)(shi)、荒(huang)資源數(shu)據(ju)的(de)(de)坐(zuo)標系統,形成(cheng)(cheng)了(le)(le)(le)林、草(cao)(cao)(cao)、濕(shi)(shi)(shi)(shi)(shi)、荒(huang)綜合(he)(he)調(diao)(diao)查(cha)(cha)(cha)監(jian)(jian)測工作底圖。通過疊加最新遙感影像,進行圖斑(ban)內(nei)業判(pan)(pan)讀,仔(zi)細(xi)(xi)劃(hua)分林地(di)(di)(di)(di)(di)、草(cao)(cao)(cao)地(di)(di)(di)(di)(di)和濕(shi)(shi)(shi)(shi)(shi)地(di)(di)(di)(di)(di)圖斑(ban),完善屬性信息(xi),確定植被(bei)覆蓋類(lei)型(xing)。對內(nei)業判(pan)(pan)讀不確定圖斑(ban),采用(yong)移動端和無人(ren)機的(de)(de)內(nei)外一(yi)體(ti)化(hua)(hua)多(duo)端舉證(zheng)技(ji)術(shu),進行實地(di)(di)(di)(di)(di)拍照舉證(zheng)核實,掌(zhang)握林地(di)(di)(di)(di)(di)、草(cao)(cao)(cao)地(di)(di)(di)(di)(di)、濕(shi)(shi)(shi)(shi)(shi)地(di)(di)(di)(di)(di)資源的(de)(de)范圍、種類(lei)、數(shu)量、質(zhi)量、結(jie)構、分布及年(nian)(nian)度(du)消長動態(tai)變化(hua)(hua)情況,開(kai)展荒(huang)漠(mo)化(hua)(hua)和沙(sha)化(hua)(hua)監(jian)(jian)測成(cheng)(cheng)果年(nian)(nian)度(du)更新,形成(cheng)(cheng)全(quan)省(sheng)林、草(cao)(cao)(cao)、濕(shi)(shi)(shi)(shi)(shi)、荒(huang)綜合(he)(he)調(diao)(diao)查(cha)(cha)(cha)監(jian)(jian)測數(shu)據(ju)庫(ku)。其中(zhong),森林資源調(diao)(diao)查(cha)(cha)(cha)堅持(chi)“三(san)調(diao)(diao)”林地(di)(di)(di)(di)(di)地(di)(di)(di)(di)(di)類(lei)的(de)(de)唯一(yi)性,對“其他林地(di)(di)(di)(di)(di)”開(kai)展細(xi)(xi)化(hua)(hua)調(diao)(diao)查(cha)(cha)(cha);草(cao)(cao)(cao)地(di)(di)(di)(di)(di)資源調(diao)(diao)查(cha)(cha)(cha)實現了(le)(le)(le)綜合(he)(he)監(jian)(jian)測與基況監(jian)(jian)測同步開(kai)展,通過一(yi)次調(diao)(diao)查(cha)(cha)(cha)產出兩項成(cheng)(cheng)果,其樣地(di)(di)(di)(di)(di)調(diao)(diao)查(cha)(cha)(cha)創(chuang)新設置(zhi)邏(luo)輯關系,提高了(le)(le)(le)表(biao)間匯(hui)總效率(lv);濕(shi)(shi)(shi)(shi)(shi)地(di)(di)(di)(di)(di)調(diao)(diao)查(cha)(cha)(cha)則探索了(le)(le)(le)多(duo)個濕(shi)(shi)(shi)(shi)(shi)地(di)(di)(di)(di)(di)分類(lei)標準(zhun)的(de)(de)銜(xian)接關系,形成(cheng)(cheng)濕(shi)(shi)(shi)(shi)(shi)地(di)(di)(di)(di)(di)數(shu)據(ju)銜(xian)接成(cheng)(cheng)果;荒(huang)漠(mo)化(hua)(hua)和沙(sha)化(hua)(hua)監(jian)(jian)測變以往五(wu)年(nian)(nian)一(yi)次的(de)(de)監(jian)(jian)測成(cheng)(cheng)果為(wei)(wei)年(nian)(nian)度(du)更新,嚴格采用(yong)氣候(hou)區類(lei)型(xing)界線確定監(jian)(jian)測范圍,引入無人(ren)機技(ji)術(shu),豐(feng)富了(le)(le)(le)大樣地(di)(di)(di)(di)(di)的(de)(de)監(jian)(jian)測方式。
總之,全省(sheng)各級按照(zhao)統一的技術(shu)標準,實踐(jian)了“專(zhuan)項調查(cha)資(zi)料收集—融合底圖(tu)制作—內業遙(yao)感解(jie)譯—外業舉證核實—數據更新(xin)對(dui)接—數據庫建設(she)—數據質檢(jian)核查(cha)—成果匯總上報”的統一技術(shu)路徑,建成綜合調查(cha)監(jian)測“一張(zhang)圖(tu)”數據庫。