نتایج جستجو برای: subtropical climate

تعداد نتایج: 180402  

2017
Wenfei Liu Jianping Wu Houbao Fan Honglang Duan Qiang Li Yinghong Yuan Hao Zhang

Eucalyptus species are widely planted for reforestation in subtropical China. However, the effects of Eucalyptus plantations on the regional water use remain poorly understood. In an age sequence of 2-, 4- and 6-year-old Eucalyptus plantations, the tree water use and soil evaporation were examined by linking model estimations and field observations. Results showed that annual evapotranspiration...

2010
Silvia Pacheco Lucio R. Malizia L. Cayuela

Premontane forest in northern Argentina and southern Bolivia represents a conservation priority due to its biological values, role of connectivity among different forest types, and precious timber resources. Premontane forest distribution has fluctuated in correspondence to habitat use and changes in climatic conditions. The objective of this study was to determine current and future distributi...

Journal: :Philosophical transactions. Series A, Mathematical, physical, and engineering sciences 2014
Darryn W Waugh

Changes in the ventilation of the southern oceans over the past few decades are examined using ocean measurements of CFC-12 and model simulations. Analysis of CFC-12 measurements made between the late 1980s and late 2000s reveal large-scale coherent changes in the ventilation, with a decrease in the age of subtropical Subantarctic Mode Waters (SAMW) and an increase in the age of Circumpolar Dee...

Journal: :Carbon Balance and Management 2009
Mehraj A Sheikh Munesh Kumar Rainer W Bussmann

BACKGROUND The Himalayan zones, with dense forest vegetation, cover a fifth part of India and store a third part of the country reserves of soil organic carbon (SOC). However, the details of altitudinal distribution of these carbon stocks, which are vulnerable to forest management and climate change impacts, are not well known. RESULTS This article reports the results of measuring the stocks ...

Journal: :Ecological applications : a publication of the Ecological Society of America 2015
Gabriel I Yospin Scott D Bridgham Ronald P Neilson John P Bolte Dominique M Bachelet Peter J Gould Constance A Harrington Jane A Kertis Cody Evers Bart R Johnson

We developed a new climate-sensitive vegetation state-and-transition simulation model (CV-STSM) to simulate future vegetation at a fine spatial grain commensurate with the scales of human land-use decisions, and under the joint influences of changing climate, site productivity, and disturbance. CV-STSM integrates outputs from four different modeling systems. Successional changes in tree species...

2013
Tim Cowan Wenju Cai Ariaan Purich Leon Rotstayn Matthew H. England

In the late twentieth century, the sub-thermocline waters of the southern tropical and subtropical Indian Ocean experienced a sharp cooling. This cooling has been previously attributed to an anthropogenic aerosol-induced strengthening of the global ocean conveyor, which transfers heat from the subtropical gyre latitudes toward the North Atlantic. From the mid-1990s the sub-thermocline southern ...

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