黑龙江省是全国最典型的季节性冻土区，冻土造成了不同于我国南方的特殊的近地表地下水状况，它对本区农业、水利等许多方面都产生一些未被普遍认识的影响。 Heilongjiang Province is the most typical seasonal permafrost region in the country. Fossil permafrost has created special near-surface groundwater conditions that are different from those in southern China. It has some unrecognized impacts on agriculture, water conservancy and many other aspects in this area.