By your question, do you mean SCALE sensitive or CONTEXT sensitive landscapes? Thinking about a range of how humans experience and respond to scales of landscapes and how certain landscapes (urban or regional) are juxtaposed to their context is a good start.
i dun remmber well...bout i used 2 go 2 a seminar bout this topics conducted by the principle of aroma tropics firm. from wt i rmember its about how d landscape can invoke human feelings sumthn like tat i suppose...