本次全國(guó)水土流失普查將全面查清全國(guó)水土流失的類型、分布、面積和強(qiáng)度。
1、普查對(duì)象、范圍及工作流程................................................1
1.1 普查范圍與對(duì)象..............................................................1
1.2 普查指標(biāo)及表式................................................1
1.2.1 普查指標(biāo)...........................1
1.2.2 普查表式及填表說(shuō)明..................................2
1.3、普查工作流程...................................................................13
2、基礎(chǔ)數(shù)據(jù)........................................................................14
2.1 遙感數(shù)據(jù)......................................................14
2.1.1 SPOT 數(shù)據(jù)..................................................14
2.1.2 HJ-1-A 、B 數(shù)據(jù)..................................................14
2.1.3 MODIS 數(shù)據(jù)....................................................15
2.1.4 Aqua/AMSR-E 數(shù)據(jù).................................15
2.2 地形數(shù)據(jù)..........................................................15
2.3 土地利用數(shù)據(jù)....................................................16
2.4 土壤數(shù)據(jù).....................................................16
3、野外調(diào)查單元確定及數(shù)據(jù)采集...................................17
3.1 水蝕野外調(diào)查單元確定及數(shù)據(jù)采集.........................17
3.1.1 野外調(diào)查單元布局.......................................17
3.1.2 資料準(zhǔn)備..............................................19
3.1.3 野外數(shù)據(jù)采集...............................................20
3.1.4 數(shù)據(jù)審核與處理..........................................................21
3.1.5 檢驗(yàn)抽查...................................................22
3.2 風(fēng)蝕野外調(diào)查單元確定及數(shù)據(jù)采集.................23
3.2.1 野外調(diào)查單元布局.........................................23
3.2.2 資料準(zhǔn)備............................................23
3.2.3 野外數(shù)據(jù)采集.....................................................24
3.2.4 數(shù)據(jù)提交.................................24
3.2.5 質(zhì)量控制...................................................24
