我国的黄土高原具有怎样的自然地理特点？对本地区及其他地区经济社会又会产生怎样的影响？阅读图文材料，完成下列问题。

延安气候资料（气温单位：℃，降水量单位：毫米）

                                                                                                                                                                                                                                                                                                                                                        

月份		1	2	3	4	5	6	7	8	9	10	11	12
气温		-4.5	-0.5	7	13.5	18.5	22.5	24	22.5	17	11.5	4	-3
降水		3.4	4.9	17.7	25.6	43.5	69.3	104.1	121.8	73.9	35	12.9	2.5