烃类微渗漏
石油盆地上方的漂白红层与次生碳酸盐，作为指标而非探测结果报告。
石油盆地上方的地表蚀变模式，作为指标而非发现报告。
Bleached redbed and epigenetic carbonate patterns of the kind associated with hydrocarbon microseepage.
传感器看到什么
这个图层在寻找什么。
每种材料的实验室参考光谱，以及传感器波段间隔能捕捉到的部分。阴影区标示方法读取的范围。
它能发现什么
它检测什么。
| 材料 | 典型产出环境 | 可能的混淆因素 |
|---|---|---|
| Epigenetic Bleaching & Carbonate Minerals | Sedimentary basins over oil and gas reservoir traps | Agricultural lime spreading and modern sedimentary evaporites |
方法
工作原理。
输入校准反射率，每个像元都对照公开参考库进行拟合。
Ferric depletion mapping
Measures iron absorption depth across a stratigraphic unit, so bleaching shows as a deficit against that unit's own background rather than against an absolute number.
Epigenetic carbonate extraction
Picks out localised secondary carbonate inside the bleached ground.
Drainage and modern-soil filtering
Alluvial channels and recent soils are removed using elevation-derived drainage, since both produce the same two signals for entirely mundane reasons.
Co-occurrence, not a score
The two layers are shown together, and where they coincide. They stay separate rather than being folded into one score, because two independent indicators are more useful read side by side.
技术规格
您得到什么，它在什么数据上运行。
所需环境条件
Method and checks are documented in Axine Applied Spectroscopy Paper #2 · Section 5.2.
适用边界
An indicator layer only. The same surface patterns occur without hydrocarbons beneath them.
