National nitrogen budget for Germany

Reactive nitrogen in Germany

The need for a national global budget.

Reactive nitrogen oxides in the southeast United States national parks: source identification, origin, and process budget

We present in this study both measurement-based and modeling analyses for elucidation of source attribution, influence areas, and process budget of reactive nitrogen oxides at two rural southeast United States sites (Great Smoky Mountains national park (GRSM) and Mammoth Cave national park (MACA)). Availability of nitrogen oxides is considered as the limiting factor to ozone production in these...

Setting national priorities--the 1974 budget.

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A modified nitrogen budget for temperate deciduous forests in an advanced stage of nitrogen saturation

[1] Recent advances in ecosystem descriptions associated with nitrogen (N) saturated forests allowed us to revise and improve a model of ecosystem productivity to reflect advanced N saturation. We introduce a new description of nitrogen cycling for a forest that is in stage 2 of N saturation on the basis of recent literature. We compared the accuracy of this new description to the conventional ...